251725467 has 64 divisors (see below), whose sum is σ = 412545024. Its totient is φ = 133539840.

The previous prime is 251725457. The next prime is 251725469. The reversal of 251725467 is 764527152.

It is not a de Polignac number, because 251725467 - 2⁴ = 251725451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (251725469) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2227603 + ... + 2227715.

It is an arithmetic number, because the mean of its divisors is an integer number (6446016).

Almost surely, 2^251725467 is an apocalyptic number.

251725467 is a deficient number, since it is larger than the sum of its proper divisors (160819557).

251725467 is a wasteful number, since it uses less digits than its factorization.

251725467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its digits is 117600, while the sum is 39.

The square root of 251725467 is about 15865.8585333413. The cubic root of 251725467 is about 631.4065048408.

The spelling of 251725467 in words is "two hundred fifty-one million, seven hundred twenty-five thousand, four hundred sixty-seven".