252571 has 4 divisors (see below), whose sum is σ = 275544. Its totient is φ = 229600.

The previous prime is 252559. The next prime is 252583. The reversal of 252571 is 175252.

252571 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (252559) and next prime (252583).

It is a cyclic number.

It is not a de Polignac number, because 252571 - 2⁷ = 252443 is a prime.

It is a super-2 number, since 2×252571² = 127584220082, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252541) 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, 11470 + ... + 11491.

It is an arithmetic number, because the mean of its divisors is an integer number (68886).

2²⁵²⁵⁷¹ is an apocalyptic number.

252571 is a deficient number, since it is larger than the sum of its proper divisors (22973).

252571 is a wasteful number, since it uses less digits than its factorization.

252571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22972.

The product of its digits is 700, while the sum is 22.

The square root of 252571 is about 502.5644237309. The cubic root of 252571 is about 63.2112668852.

The spelling of 252571 in words is "two hundred fifty-two thousand, five hundred seventy-one".