256345372 has 6 divisors (see below), whose sum is σ = 448604408. Its totient is φ = 128172684.

The previous prime is 256345333. The next prime is 256345387. The reversal of 256345372 is 273543652.

256345372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32043168 + ... + 32043175.

Almost surely, 2^256345372 is an apocalyptic number.

It is an amenable number.

256345372 is a deficient number, since it is larger than the sum of its proper divisors (192259036).

256345372 is a wasteful number, since it uses less digits than its factorization.

256345372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64086347 (or 64086345 counting only the distinct ones).

The product of its digits is 151200, while the sum is 37.

The square root of 256345372 is about 16010.7892372612. The cubic root of 256345372 is about 635.2458361590.

The spelling of 256345372 in words is "two hundred fifty-six million, three hundred forty-five thousand, three hundred seventy-two".