252792490 has 8 divisors (see below), whose sum is σ = 455026500. Its totient is φ = 101116992.

The previous prime is 252792487. The next prime is 252792493. The reversal of 252792490 is 94297252.

252792490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252792487) and next prime (252792493).

It can be written as a sum of positive squares in 2 ways, for example, as 217592001 + 35200489 = 14751^2 + 5933^2 .

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

It is not an unprimeable number, because it can be changed into a prime (252792493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12639615 + ... + 12639634.

Almost surely, 2^252792490 is an apocalyptic number.

252792490 is a deficient number, since it is larger than the sum of its proper divisors (202234010).

252792490 is a wasteful number, since it uses less digits than its factorization.

252792490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25279256.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 252792490 is about 15899.4493615345. The cubic root of 252792490 is about 632.2973901499.

The spelling of 252792490 in words is "two hundred fifty-two million, seven hundred ninety-two thousand, four hundred ninety".