256062506 has 64 divisors (see below), whose sum is σ = 481873920. Its totient is φ = 99610560.

The previous prime is 256062497. The next prime is 256062529. The reversal of 256062506 is 605260652.

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 in 31 ways as a sum of consecutive naturals, for example, 697535 + ... + 697901.

It is an arithmetic number, because the mean of its divisors is an integer number (7529280).

Almost surely, 2^256062506 is an apocalyptic number.

256062506 is a deficient number, since it is larger than the sum of its proper divisors (225811414).

256062506 is a wasteful number, since it uses less digits than its factorization.

256062506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 256062506 is about 16001.9531932824. The cubic root of 256062506 is about 635.0120947538.

The spelling of 256062506 in words is "two hundred fifty-six million, sixty-two thousand, five hundred six".