255397312 has 56 divisors (see below), whose sum is σ = 519379200. Its totient is φ = 124567296.

The previous prime is 255397279. The next prime is 255397319. The reversal of 255397312 is 213793552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255397319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902323 + ... + 902605.

Almost surely, 2^255397312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255397312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259689600).

255397312 is an abundant number, since it is smaller than the sum of its proper divisors (263981888).

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

255397312 is a wasteful number, since it uses less digits than its factorization.

255397312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 583 counting only the distinct ones).

The product of its digits is 56700, while the sum is 37.

The square root of 255397312 is about 15981.1549019462. The cubic root of 255397312 is about 634.4617440555.

The spelling of 255397312 in words is "two hundred fifty-five million, three hundred ninety-seven thousand, three hundred twelve".