252399 has 24 divisors (see below), whose sum is σ = 418608. Its totient is φ = 134400.

The previous prime is 252391. The next prime is 252401. The reversal of 252399 is 993252.

It is not a de Polignac number, because 252399 - 2³ = 252391 is a prime.

Its product of digits (4860) is a multiple of the sum of its prime factors (135).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2449 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (17442).

2²⁵²³⁹⁹ is an apocalyptic number.

252399 is a deficient number, since it is larger than the sum of its proper divisors (166209).

252399 is a wasteful number, since it uses less digits than its factorization.

252399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 128 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 252399 is about 502.3932722479. The cubic root of 252399 is about 63.1969147402.

The spelling of 252399 in words is "two hundred fifty-two thousand, three hundred ninety-nine".