251414252 has 12 divisors (see below), whose sum is σ = 440095656. Its totient is φ = 125672640.

The previous prime is 251414243. The next prime is 251414279. The reversal of 251414252 is 252414152.

It is a super-2 number, since 2×251414252² = 126418252217439008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14927 + ... + 26937.

It is an arithmetic number, because the mean of its divisors is an integer number (36674638).

Almost surely, 2^251414252 is an apocalyptic number.

It is an amenable number.

251414252 is a deficient number, since it is larger than the sum of its proper divisors (188681404).

251414252 is a wasteful number, since it uses less digits than its factorization.

251414252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17248 (or 17246 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 251414252 is about 15856.0478051752. The cubic root of 251414252 is about 631.1461892225.

The spelling of 251414252 in words is "two hundred fifty-one million, four hundred fourteen thousand, two hundred fifty-two".