256452625 has 32 divisors (see below), whose sum is σ = 376032384. Its totient is φ = 172152000.

The previous prime is 256452613. The next prime is 256452631. The reversal of 256452625 is 526254652.

It is not a de Polignac number, because 256452625 - 2¹⁷ = 256321553 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 10702 + ... + 25048.

It is an arithmetic number, because the mean of its divisors is an integer number (11751012).

Almost surely, 2^256452625 is an apocalyptic number.

256452625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

256452625 is a deficient number, since it is larger than the sum of its proper divisors (119579759).

256452625 is a wasteful number, since it uses less digits than its factorization.

256452625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14386 (or 14376 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 256452625 is about 16014.1382846533. The cubic root of 256452625 is about 635.3344178530.

The spelling of 256452625 in words is "two hundred fifty-six million, four hundred fifty-two thousand, six hundred twenty-five".