252797615 has 24 divisors (see below), whose sum is σ = 354139632. Its totient is φ = 172730880.

The previous prime is 252797593. The next prime is 252797663. The reversal of 252797615 is 516797252.

It is not a de Polignac number, because 252797615 - 2¹⁶ = 252732079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73535 + ... + 76895.

It is an arithmetic number, because the mean of its divisors is an integer number (14755818).

Almost surely, 2^252797615 is an apocalyptic number.

252797615 is a deficient number, since it is larger than the sum of its proper divisors (101342017).

252797615 is a wasteful number, since it uses less digits than its factorization.

252797615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687 (or 3680 counting only the distinct ones).

The product of its digits is 264600, while the sum is 44.

The square root of 252797615 is about 15899.6105298212. The cubic root of 252797615 is about 632.3016630910.

The spelling of 252797615 in words is "two hundred fifty-two million, seven hundred ninety-seven thousand, six hundred fifteen".