252457633 has 8 divisors (see below), whose sum is σ = 272996352. Its totient is φ = 232550976.

The previous prime is 252457627. The next prime is 252457643. The reversal of 252457633 is 336754252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252457633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252457592 and 252457601.

It is not an unprimeable number, because it can be changed into a prime (252457613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157185 + ... + 158782.

It is an arithmetic number, because the mean of its divisors is an integer number (34124544).

Almost surely, 2^252457633 is an apocalyptic number.

It is an amenable number.

252457633 is a deficient number, since it is larger than the sum of its proper divisors (20538719).

252457633 is a wasteful number, since it uses less digits than its factorization.

252457633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316031.

The product of its digits is 151200, while the sum is 37.

The square root of 252457633 is about 15888.9154129538. The cubic root of 252457633 is about 632.0180796849.

The spelling of 252457633 in words is "two hundred fifty-two million, four hundred fifty-seven thousand, six hundred thirty-three".