252265615 has 16 divisors (see below), whose sum is σ = 346471488. Its totient is φ = 172728576.

The previous prime is 252265613. The next prime is 252265621. The reversal of 252265615 is 516562252.

It is a cyclic number.

It is not a de Polignac number, because 252265615 - 2¹ = 252265613 is a prime.

It is a super-2 number, since 2×252265615² = 127275881022656450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252265613) 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 15 ways as a sum of consecutive naturals, for example, 20739 + ... + 30571.

It is an arithmetic number, because the mean of its divisors is an integer number (21654468).

Almost surely, 2^252265615 is an apocalyptic number.

252265615 is a deficient number, since it is larger than the sum of its proper divisors (94205873).

252265615 is an equidigital number, since it uses as much as digits as its factorization.

252265615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10578.

The product of its digits is 36000, while the sum is 34.

The square root of 252265615 is about 15882.8717491517. The cubic root of 252265615 is about 631.8578024568.

The spelling of 252265615 in words is "two hundred fifty-two million, two hundred sixty-five thousand, six hundred fifteen".