252717 has 4 divisors (see below), whose sum is σ = 336960. Its totient is φ = 168476.

The previous prime is 252713. The next prime is 252727. The reversal of 252717 is 717252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252717 - 2² = 252713 is a prime.

It is an Ulam number.

It is a D-number.

252717 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252713) 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, 42117 + ... + 42122.

It is an arithmetic number, because the mean of its divisors is an integer number (84240).

2²⁵²⁷¹⁷ is an apocalyptic number.

It is an amenable number.

252717 is a deficient number, since it is larger than the sum of its proper divisors (84243).

252717 is an equidigital number, since it uses as much as digits as its factorization.

252717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84242.

The product of its digits is 980, while the sum is 24.

The square root of 252717 is about 502.7096577549. The cubic root of 252717 is about 63.2234444079.

Adding to 252717 its reverse (717252), we get a palindrome (969969).

It can be divided in two parts, 252 and 717, that added together give a palindrome (969).

The spelling of 252717 in words is "two hundred fifty-two thousand, seven hundred seventeen".