252171 has 6 divisors (see below), whose sum is σ = 364260. Its totient is φ = 168108.

The previous prime is 252169. The next prime is 252173. The reversal of 252171 is 171252.

It is an interprime number because it is at equal distance from previous prime (252169) and next prime (252173).

It is not a de Polignac number, because 252171 - 2¹ = 252169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14001 + ... + 14018.

It is an arithmetic number, because the mean of its divisors is an integer number (60710).

2²⁵²¹⁷¹ is an apocalyptic number.

252171 is a deficient number, since it is larger than the sum of its proper divisors (112089).

252171 is a wasteful number, since it uses less digits than its factorization.

252171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28025 (or 28022 counting only the distinct ones).

The product of its digits is 140, while the sum is 18.

The square root of 252171 is about 502.1663071135. The cubic root of 252171 is about 63.1778797500.

The spelling of 252171 in words is "two hundred fifty-two thousand, one hundred seventy-one".