251056060 has 24 divisors (see below), whose sum is σ = 530762400. Its totient is φ = 99747264.

The previous prime is 251056049. The next prime is 251056081. The reversal of 251056060 is 60650152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39144 + ... + 45103.

It is an arithmetic number, because the mean of its divisors is an integer number (22115100).

Almost surely, 2^251056060 is an apocalyptic number.

251056060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

251056060 is an abundant number, since it is smaller than the sum of its proper divisors (279706340).

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

251056060 is a wasteful number, since it uses less digits than its factorization.

251056060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84405 (or 84403 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 251056060 is about 15844.7486568894. The cubic root of 251056060 is about 630.8463136704.

The spelling of 251056060 in words is "two hundred fifty-one million, fifty-six thousand, sixty".