251040152 has 24 divisors (see below), whose sum is σ = 517383300. Its totient is φ = 114108720.

The previous prime is 251040143. The next prime is 251040157.

251040152 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251040157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128702 + ... + 130637.

Almost surely, 2^251040152 is an apocalyptic number.

251040152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

251040152 is an abundant number, since it is smaller than the sum of its proper divisors (266343148).

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

251040152 is a wasteful number, since it uses less digits than its factorization.

251040152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259367 (or 259352 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 251040152 is about 15844.2466529652. The cubic root of 251040152 is about 630.8329890035.

The spelling of 251040152 in words is "two hundred fifty-one million, forty thousand, one hundred fifty-two".