255808525 has 12 divisors (see below), whose sum is σ = 362517472. Its totient is φ = 175411440.

The previous prime is 255808523. The next prime is 255808529. The reversal of 255808525 is 525808552.

It is a happy number.

It is not a de Polignac number, because 255808525 - 2¹ = 255808523 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255808523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730707 + ... + 731056.

Almost surely, 2^255808525 is an apocalyptic number.

255808525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255808525 is a deficient number, since it is larger than the sum of its proper divisors (106708947).

255808525 is a wasteful number, since it uses less digits than its factorization.

255808525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461780 (or 1461775 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 255808525 is about 15994.0152869753. The cubic root of 255808525 is about 634.8020752524.

The spelling of 255808525 in words is "two hundred fifty-five million, eight hundred eight thousand, five hundred twenty-five".