256025996 has 6 divisors (see below), whose sum is σ = 448045500. Its totient is φ = 128012996.

The previous prime is 256025983. The next prime is 256026019. The reversal of 256025996 is 699520652.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32003246 + ... + 32003253.

It is an arithmetic number, because the mean of its divisors is an integer number (74674250).

Almost surely, 2^256025996 is an apocalyptic number.

It is an amenable number.

256025996 is a deficient number, since it is larger than the sum of its proper divisors (192019504).

256025996 is a wasteful number, since it uses less digits than its factorization.

256025996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64006503 (or 64006501 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 256025996 is about 16000.8123543775. The cubic root of 256025996 is about 634.9819128086.

The spelling of 256025996 in words is "two hundred fifty-six million, twenty-five thousand, nine hundred ninety-six".