255625806 has 16 divisors (see below), whose sum is σ = 511418448. Its totient is φ = 85180800.

The previous prime is 255625801. The next prime is 255625817. The reversal of 255625806 is 608526552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255625801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22696 + ... + 32036.

It is an arithmetic number, because the mean of its divisors is an integer number (31963653).

Almost surely, 2^255625806 is an apocalyptic number.

255625806 is an abundant number, since it is smaller than the sum of its proper divisors (255792642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255625806 is a wasteful number, since it uses less digits than its factorization.

255625806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13907.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 255625806 is about 15988.3021612678. The cubic root of 255625806 is about 634.6508970382.

The spelling of 255625806 in words is "two hundred fifty-five million, six hundred twenty-five thousand, eight hundred six".