252271531 has 8 divisors (see below), whose sum is σ = 265968720. Its totient is φ = 238616352.

The previous prime is 252271519. The next prime is 252271543. The reversal of 252271531 is 135172252.

It is an interprime number because it is at equal distance from previous prime (252271519) and next prime (252271543).

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 252271531 - 2⁵ = 252271499 is a prime.

It is a super-2 number, since 2×252271531² = 127281850706167922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252271531.

It is not an unprimeable number, because it can be changed into a prime (252271501) 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, 2241 + ... + 22573.

It is an arithmetic number, because the mean of its divisors is an integer number (33246090).

Almost surely, 2^252271531 is an apocalyptic number.

252271531 is a deficient number, since it is larger than the sum of its proper divisors (13697189).

252271531 is a wasteful number, since it uses less digits than its factorization.

252271531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21005.

The product of its digits is 4200, while the sum is 28.

The square root of 252271531 is about 15883.0579864206. The cubic root of 252271531 is about 631.8627417500.

The spelling of 252271531 in words is "two hundred fifty-two million, two hundred seventy-one thousand, five hundred thirty-one".