252666313 has 32 divisors (see below), whose sum is σ = 285143040. Its totient is φ = 222963840.

The previous prime is 252666307. The next prime is 252666329. The reversal of 252666313 is 313666252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252666313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252666353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2453020 + ... + 2453122.

It is an arithmetic number, because the mean of its divisors is an integer number (8910720).

Almost surely, 2^252666313 is an apocalyptic number.

It is an amenable number.

252666313 is a deficient number, since it is larger than the sum of its proper divisors (32476727).

252666313 is a wasteful number, since it uses less digits than its factorization.

252666313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its digits is 38880, while the sum is 34.

The square root of 252666313 is about 15895.4808986705. The cubic root of 252666313 is about 632.1921725394.

The spelling of 252666313 in words is "two hundred fifty-two million, six hundred sixty-six thousand, three hundred thirteen".