256952512 has 28 divisors (see below), whose sum is σ = 510463800. Its totient is φ = 128331776.

The previous prime is 256952489. The next prime is 256952539. The reversal of 256952512 is 215259652.

It is a super-2 number, since 2×256952512² = 132049186846220288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76239 + ... + 79537.

It is an arithmetic number, because the mean of its divisors is an integer number (18230850).

Almost surely, 2^256952512 is an apocalyptic number.

It is an amenable number.

256952512 is a deficient number, since it is larger than the sum of its proper divisors (253511288).

256952512 is a wasteful number, since it uses less digits than its factorization.

256952512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528 (or 4518 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 256952512 is about 16029.7383634294. The cubic root of 256952512 is about 635.7469557542.

The spelling of 256952512 in words is "two hundred fifty-six million, nine hundred fifty-two thousand, five hundred twelve".