252899740 has 24 divisors (see below), whose sum is σ = 538367760. Its totient is φ = 99773568.

The previous prime is 252899707. The next prime is 252899761. The reversal of 252899740 is 47998252.

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, 85150 + ... + 88069.

It is an arithmetic number, because the mean of its divisors is an integer number (22431990).

Almost surely, 2^252899740 is an apocalyptic number.

252899740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252899740 is an abundant number, since it is smaller than the sum of its proper divisors (285468020).

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

252899740 is a wasteful number, since it uses less digits than its factorization.

252899740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173301 (or 173299 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 252899740 is about 15902.8217621905. The cubic root of 252899740 is about 632.3867972193.

The spelling of 252899740 in words is "two hundred fifty-two million, eight hundred ninety-nine thousand, seven hundred forty".