252757140 has 48 divisors (see below), whose sum is σ = 708704640. Its totient is φ = 67308160.

The previous prime is 252757061. The next prime is 252757163. The reversal of 252757140 is 41757252.

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 15 ways as a sum of consecutive naturals, for example, 47830 + ... + 52850.

It is an arithmetic number, because the mean of its divisors is an integer number (14764680).

Almost surely, 2^252757140 is an apocalyptic number.

252757140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252757140 is an abundant number, since it is smaller than the sum of its proper divisors (455947500).

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

252757140 is a wasteful number, since it uses less digits than its factorization.

252757140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872 (or 5870 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 252757140 is about 15898.3376489493. The cubic root of 252757140 is about 632.2679157054.

The spelling of 252757140 in words is "two hundred fifty-two million, seven hundred fifty-seven thousand, one hundred forty".