252999730 has 16 divisors (see below), whose sum is σ = 455595840. Its totient is φ = 101156272.

The previous prime is 252999727. The next prime is 252999737. The reversal of 252999730 is 37999252.

It is not an unprimeable number, because it can be changed into a prime (252999737) 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 7 ways as a sum of consecutive naturals, for example, 29691 + ... + 37249.

It is an arithmetic number, because the mean of its divisors is an integer number (28474740).

Almost surely, 2^252999730 is an apocalyptic number.

252999730 is a deficient number, since it is larger than the sum of its proper divisors (202596110).

252999730 is a wasteful number, since it uses less digits than its factorization.

252999730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10913.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 252999730 is about 15905.9652332073. The cubic root of 252999730 is about 632.4701293522.

The spelling of 252999730 in words is "two hundred fifty-two million, nine hundred ninety-nine thousand, seven hundred thirty".