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25500053 is a prime number
BaseRepresentation
bin110000101000…
…1100110010101
31202222112111102
41201101212111
523012000203
62310315445
7426514115
oct141214625
952875442
1025500053
1113437627
128658b85
13538a9b7
14355b045
15238a888
hex1851995

25500053 has 2 divisors, whose sum is σ = 25500054. Its totient is φ = 25500052.

The previous prime is 25500047. The next prime is 25500061. The reversal of 25500053 is 35000552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23406244 + 2093809 = 4838^2 + 1447^2 .

It is a cyclic number.

It is not a de Polignac number, because 25500053 - 212 = 25495957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25499998 and 25500034.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25500023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750026 + 12750027.

It is an arithmetic number, because the mean of its divisors is an integer number (12750027).

Almost surely, 225500053 is an apocalyptic number.

It is an amenable number.

25500053 is a deficient number, since it is larger than the sum of its proper divisors (1).

25500053 is an equidigital number, since it uses as much as digits as its factorization.

25500053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 25500053 is about 5049.7577169603. The cubic root of 25500053 is about 294.3384697647.

It can be divided in two parts, 2 and 5500053, that added together give a palindrome (5500055).

The spelling of 25500053 in words is "twenty-five million, five hundred thousand, fifty-three".