255306972 has 24 divisors (see below), whose sum is σ = 596356992. Its totient is φ = 85010800.

The previous prime is 255306967. The next prime is 255306973. The reversal of 255306972 is 279603552.

It is a self number, because there is not a number n which added to its sum of digits gives 255306972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255306973) 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, 697 + ... + 22607.

It is an arithmetic number, because the mean of its divisors is an integer number (24848208).

Almost surely, 2^255306972 is an apocalyptic number.

It is an amenable number.

255306972 is an abundant number, since it is smaller than the sum of its proper divisors (341050020).

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

255306972 is a wasteful number, since it uses less digits than its factorization.

255306972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22889 (or 22887 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 255306972 is about 15978.3281979061. The cubic root of 255306972 is about 634.3869272495.

The spelling of 255306972 in words is "two hundred fifty-five million, three hundred six thousand, nine hundred seventy-two".