256503352 has 16 divisors (see below), whose sum is σ = 549650160. Its totient is φ = 109929984.

The previous prime is 256503349. The next prime is 256503367. The reversal of 256503352 is 253305652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290153 + ... + 2290264.

It is an arithmetic number, because the mean of its divisors is an integer number (34353135).

Almost surely, 2^256503352 is an apocalyptic number.

It is an amenable number.

256503352 is an abundant number, since it is smaller than the sum of its proper divisors (293146808).

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

256503352 is a wasteful number, since it uses less digits than its factorization.

256503352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4580430 (or 4580426 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 256503352 is about 16015.7220255598. The cubic root of 256503352 is about 635.3763053612.

The spelling of 256503352 in words is "two hundred fifty-six million, five hundred three thousand, three hundred fifty-two".