252331550 has 24 divisors (see below), whose sum is σ = 470040600. Its totient is φ = 100781280.

The previous prime is 252331549. The next prime is 252331553. The reversal of 252331550 is 55133252.

It is a super-2 number, since 2×252331550² = 127342422250805000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252331553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33536 + ... + 40364.

It is an arithmetic number, because the mean of its divisors is an integer number (19585025).

Almost surely, 2^252331550 is an apocalyptic number.

252331550 is a deficient number, since it is larger than the sum of its proper divisors (217709050).

252331550 is a wasteful number, since it uses less digits than its factorization.

252331550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580 (or 7575 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 252331550 is about 15884.9472772181. The cubic root of 252331550 is about 631.9128475000.

The spelling of 252331550 in words is "two hundred fifty-two million, three hundred thirty-one thousand, five hundred fifty".