252622513 has 16 divisors (see below), whose sum is σ = 299742912. Its totient is φ = 209880000.

The previous prime is 252622507. The next prime is 252622529. The reversal of 252622513 is 315226252.

It is not a de Polignac number, because 252622513 - 2⁹ = 252622001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252622543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5698 + ... + 23188.

It is an arithmetic number, because the mean of its divisors is an integer number (18733932).

Almost surely, 2^252622513 is an apocalyptic number.

It is an amenable number.

252622513 is a deficient number, since it is larger than the sum of its proper divisors (47120399).

252622513 is a wasteful number, since it uses less digits than its factorization.

252622513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17616.

The product of its digits is 7200, while the sum is 28.

The square root of 252622513 is about 15894.1030888817. The cubic root of 252622513 is about 632.1556400115.

Adding to 252622513 its reverse (315226252), we get a palindrome (567848765).

The spelling of 252622513 in words is "two hundred fifty-two million, six hundred twenty-two thousand, five hundred thirteen".