252287 has 8 divisors (see below), whose sum is σ = 301056. Its totient is φ = 206712.

The previous prime is 252283. The next prime is 252289. The reversal of 252287 is 782252.

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 252287 - 2² = 252283 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252287.

It is not an unprimeable number, because it can be changed into a prime (252283) 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, 623 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (37632).

2²⁵²²⁸⁷ is an apocalyptic number.

252287 is a deficient number, since it is larger than the sum of its proper divisors (48769).

252287 is a wasteful number, since it uses less digits than its factorization.

252287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597.

The product of its digits is 2240, while the sum is 26.

The square root of 252287 is about 502.2817934188. The cubic root of 252287 is about 63.1875656518.

Subtracting from 252287 its product of digits (2240), we obtain a cube (250047 = 63³).

It can be divided in two parts, 25 and 2287, that multiplied together give a palindrome (57175).

The spelling of 252287 in words is "two hundred fifty-two thousand, two hundred eighty-seven".