252929280 has 72 divisors (see below), whose sum is σ = 807805152. Its totient is φ = 67446784.

The previous prime is 252929251. The next prime is 252929291. The reversal of 252929280 is 82929252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29094 + ... + 36773.

It is an arithmetic number, because the mean of its divisors is an integer number (11219516).

Almost surely, 2^252929280 is an apocalyptic number.

252929280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252929280 is an abundant number, since it is smaller than the sum of its proper divisors (554875872).

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

252929280 is an equidigital number, since it uses as much as digits as its factorization.

252929280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65891 (or 65877 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 252929280 is about 15903.7505010611. The cubic root of 252929280 is about 632.4114182789.

The spelling of 252929280 in words is "two hundred fifty-two million, nine hundred twenty-nine thousand, two hundred eighty".