256472475 has 48 divisors (see below), whose sum is σ = 487468800. Its totient is φ = 116553600.

The previous prime is 256472413. The next prime is 256472497. The reversal of 256472475 is 574274652.

It is not a de Polignac number, because 256472475 - 2¹² = 256468379 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93676 + ... + 96374.

It is an arithmetic number, because the mean of its divisors is an integer number (10155600).

Almost surely, 2^256472475 is an apocalyptic number.

256472475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

256472475 is a deficient number, since it is larger than the sum of its proper divisors (230996325).

256472475 is a wasteful number, since it uses less digits than its factorization.

256472475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900 (or 2895 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

The square root of 256472475 is about 16014.7580375103. The cubic root of 256472475 is about 635.3508095262.

The spelling of 256472475 in words is "two hundred fifty-six million, four hundred seventy-two thousand, four hundred seventy-five".