251120467 has 4 divisors (see below), whose sum is σ = 270437440. Its totient is φ = 231803496.

The previous prime is 251120459. The next prime is 251120479. The reversal of 251120467 is 764021152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 251120467 - 2³ = 251120459 is a prime.

It is a super-2 number, since 2×251120467² = 126122977892596178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (251120267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9658467 + ... + 9658492.

It is an arithmetic number, because the mean of its divisors is an integer number (67609360).

Almost surely, 2^251120467 is an apocalyptic number.

251120467 is a deficient number, since it is larger than the sum of its proper divisors (19316973).

251120467 is a wasteful number, since it uses less digits than its factorization.

251120467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19316972.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 251120467 is about 15846.7809664928. The cubic root of 251120467 is about 630.9002557321.

The spelling of 251120467 in words is "two hundred fifty-one million, one hundred twenty thousand, four hundred sixty-seven".