252123313 has 8 divisors (see below), whose sum is σ = 271643456. Its totient is φ = 232621200.

The previous prime is 252123301. The next prime is 252123323. The reversal of 252123313 is 313321252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252123313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252123323) 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, 43708 + ... + 49138.

It is an arithmetic number, because the mean of its divisors is an integer number (33955432).

Almost surely, 2^252123313 is an apocalyptic number.

It is an amenable number.

252123313 is a deficient number, since it is larger than the sum of its proper divisors (19520143).

252123313 is a wasteful number, since it uses less digits than its factorization.

252123313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9015.

The product of its digits is 1080, while the sum is 22.

The square root of 252123313 is about 15878.3913857796. The cubic root of 252123313 is about 631.7389706438.

Adding to 252123313 its reverse (313321252), we get a palindrome (565444565).

The spelling of 252123313 in words is "two hundred fifty-two million, one hundred twenty-three thousand, three hundred thirteen".