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2551004025 = 35243791009
BaseRepresentation
bin1001100000001101…
…0011101101111001
320120210011102122120
42120003103231321
520211024112100
61101044511453
7120134114343
oct23003235571
96523142576
102551004025
111099a80099
125b23ab589
1331867984b
141a2b2a293
15ede530a0
hex980d3b79

2551004025 has 24 divisors (see below), whose sum is σ = 4315750560. Its totient is φ = 1328893440.

The previous prime is 2551004021. The next prime is 2551004047. The reversal of 2551004025 is 5204001552.

It is a happy number.

2551004025 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2551004025 - 22 = 2551004021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2551003986 and 2551004004.

It is not an unprimeable number, because it can be changed into a prime (2551004021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392280 + ... + 398729.

It is an arithmetic number, because the mean of its divisors is an integer number (179822940).

Almost surely, 22551004025 is an apocalyptic number.

2551004025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2551004025 is a deficient number, since it is larger than the sum of its proper divisors (1764746535).

2551004025 is a wasteful number, since it uses less digits than its factorization.

2551004025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791065 (or 791060 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2551004025 is about 50507.4650423083. The cubic root of 2551004025 is about 1366.3764912058.

Adding to 2551004025 its reverse (5204001552), we get a palindrome (7755005577).

The spelling of 2551004025 in words is "two billion, five hundred fifty-one million, four thousand, twenty-five".

Divisors: 1 3 5 15 25 43 75 129 215 645 1075 3225 791009 2373027 3955045 11865135 19775225 34013387 59325675 102040161 170066935 510200805 850334675 2551004025