251052452 has 48 divisors (see below), whose sum is σ = 525907200. Its totient is φ = 102529152.

The previous prime is 251052419. The next prime is 251052463. The reversal of 251052452 is 254250152.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224198 + ... + 225314.

It is an arithmetic number, because the mean of its divisors is an integer number (10956400).

Almost surely, 2^251052452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 251052452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262953600).

251052452 is an abundant number, since it is smaller than the sum of its proper divisors (274854748).

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

251052452 is a wasteful number, since it uses less digits than its factorization.

251052452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 251052452 is about 15844.6348017239. The cubic root of 251052452 is about 630.8432916303.

The spelling of 251052452 in words is "two hundred fifty-one million, fifty-two thousand, four hundred fifty-two".