252973731 has 8 divisors (see below), whose sum is σ = 345525264. Its totient is φ = 164535680.

The previous prime is 252973729. The next prime is 252973739. The reversal of 252973731 is 137379252.

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

It is a cyclic number.

It is not a de Polignac number, because 252973731 - 2¹ = 252973729 is a prime.

It is a super-2 number, since 2×252973731² = 127991417152120722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252973731.

It is not an unprimeable number, because it can be changed into a prime (252973739) 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, 1028226 + ... + 1028471.

It is an arithmetic number, because the mean of its divisors is an integer number (43190658).

Almost surely, 2^252973731 is an apocalyptic number.

252973731 is a deficient number, since it is larger than the sum of its proper divisors (92551533).

252973731 is a wasteful number, since it uses less digits than its factorization.

252973731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056741.

The product of its digits is 79380, while the sum is 39.

The square root of 252973731 is about 15905.1479402111. The cubic root of 252973731 is about 632.4484637768.

The spelling of 252973731 in words is "two hundred fifty-two million, nine hundred seventy-three thousand, seven hundred thirty-one".