256074250 has 32 divisors (see below), whose sum is σ = 480849408. Its totient is φ = 102114000.

The previous prime is 256074241. The next prime is 256074253. The reversal of 256074250 is 52470652.

It is not an unprimeable number, because it can be changed into a prime (256074253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90355 + ... + 93145.

It is an arithmetic number, because the mean of its divisors is an integer number (15026544).

Almost surely, 2^256074250 is an apocalyptic number.

256074250 is a deficient number, since it is larger than the sum of its proper divisors (224775158).

256074250 is a wasteful number, since it uses less digits than its factorization.

256074250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 256074250 is about 16002.3201442791. The cubic root of 256074250 is about 635.0218026283.

The spelling of 256074250 in words is "two hundred fifty-six million, seventy-four thousand, two hundred fifty".