252320732 has 24 divisors (see below), whose sum is σ = 478413936. Its totient is φ = 115976448.

The previous prime is 252320729. The next prime is 252320773. The reversal of 252320732 is 237023252.

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, 40223 + ... + 46070.

It is an arithmetic number, because the mean of its divisors is an integer number (19933914).

Almost surely, 2^252320732 is an apocalyptic number.

It is an amenable number.

252320732 is a deficient number, since it is larger than the sum of its proper divisors (226093204).

252320732 is a wasteful number, since it uses less digits than its factorization.

252320732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86357 (or 86355 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 252320732 is about 15884.6067625233. The cubic root of 252320732 is about 631.9038168802.

Adding to 252320732 its reverse (237023252), we get a palindrome (489343984).

The spelling of 252320732 in words is "two hundred fifty-two million, three hundred twenty thousand, seven hundred thirty-two".