252302312 has 16 divisors (see below), whose sum is σ = 474435360. Its totient is φ = 125786224.

The previous prime is 252302299. The next prime is 252302317. The reversal of 252302312 is 213203252.

It is not an unprimeable number, because it can be changed into a prime (252302317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42668 + ... + 48219.

It is an arithmetic number, because the mean of its divisors is an integer number (29652210).

Almost surely, 2^252302312 is an apocalyptic number.

It is an amenable number.

252302312 is a deficient number, since it is larger than the sum of its proper divisors (222133048).

252302312 is a wasteful number, since it uses less digits than its factorization.

252302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91240 (or 91236 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 252302312 is about 15884.0269453310. The cubic root of 252302312 is about 631.8884396901. Note that the first 3 decimals are identical.

Adding to 252302312 its reverse (213203252), we get a palindrome (465505564).

The spelling of 252302312 in words is "two hundred fifty-two million, three hundred two thousand, three hundred twelve".