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2005331525 = 52418632267
BaseRepresentation
bin111011110000110…
…1110111001000101
312011202101101200222
41313201232321011
513101331102100
6530553114125
7100460015411
oct16741567105
95152341628
102005331525
11939a5928a
1247b6b8945
1325c5c3002
14150485d41
15bb0b7485
hex7786ee45

2005331525 has 24 divisors (see below), whose sum is σ = 2551336704. Its totient is φ = 1562633600.

The previous prime is 2005331483. The next prime is 2005331569. The reversal of 2005331525 is 5251335002.

It is not a de Polignac number, because 2005331525 - 210 = 2005330501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2005331494 and 2005331503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 883442 + ... + 885708.

It is an arithmetic number, because the mean of its divisors is an integer number (106305696).

Almost surely, 22005331525 is an apocalyptic number.

2005331525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2005331525 is a deficient number, since it is larger than the sum of its proper divisors (546005179).

2005331525 is a wasteful number, since it uses less digits than its factorization.

2005331525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181 (or 3176 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2005331525 is about 44780.9281391085. The cubic root of 2005331525 is about 1261.0396066433.

Adding to 2005331525 its reverse (5251335002), we get a palindrome (7256666527).

The spelling of 2005331525 in words is "two billion, five million, three hundred thirty-one thousand, five hundred twenty-five".

Divisors: 1 5 25 41 205 863 1025 2267 4315 11335 21575 35383 56675 92947 176915 464735 884575 1956421 2323675 9782105 48910525 80213261 401066305 2005331525