252682816 has 21 divisors (see below), whose sum is σ = 501669939. Its totient is φ = 126277824.

The previous prime is 252682813. The next prime is 252682817. The reversal of 252682816 is 618286252.

The square root of 252682816 is 15896.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252682811) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 126175 + ... + 128161.

Almost surely, 2^252682816 is an apocalyptic number.

252682816 is the 15896-th square number.

It is an amenable number.

252682816 is a deficient number, since it is larger than the sum of its proper divisors (248987123).

252682816 is an frugal number, since it uses more digits than its factorization.

252682816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986 (or 1989 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The cubic root of 252682816 is about 632.2059362002.

The spelling of 252682816 in words is "two hundred fifty-two million, six hundred eighty-two thousand, eight hundred sixteen".