256237250 has 32 divisors (see below), whose sum is σ = 500542848. Its totient is φ = 98036400.

The previous prime is 256237229. The next prime is 256237253. The reversal of 256237250 is 52732652.

It is not an unprimeable number, because it can be changed into a prime (256237253) 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, 16532 + ... + 28031.

It is an arithmetic number, because the mean of its divisors is an integer number (15641964).

Almost surely, 2^256237250 is an apocalyptic number.

256237250 is a deficient number, since it is larger than the sum of its proper divisors (244305598).

256237250 is a wasteful number, since it uses less digits than its factorization.

256237250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44603 (or 44593 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 256237250 is about 16007.4123455354. The cubic root of 256237250 is about 635.1565117337.

The spelling of 256237250 in words is "two hundred fifty-six million, two hundred thirty-seven thousand, two hundred fifty".