251422052 has 12 divisors (see below), whose sum is σ = 502844160. Its totient is φ = 107752296.

The previous prime is 251422051. The next prime is 251422057. The reversal of 251422052 is 250224152.

251422052 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (251422051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4489652 + ... + 4489707.

It is an arithmetic number, because the mean of its divisors is an integer number (41903680).

Almost surely, 2^251422052 is an apocalyptic number.

It is an amenable number.

251422052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

251422052 is a wasteful number, since it uses less digits than its factorization.

251422052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8979370 (or 8979368 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 251422052 is about 15856.2937661990. The cubic root of 251422052 is about 631.1527161521.

The spelling of 251422052 in words is "two hundred fifty-one million, four hundred twenty-two thousand, fifty-two".