252378 has 24 divisors (see below), whose sum is σ = 625248. Its totient is φ = 72072.

The previous prime is 252359. The next prime is 252383. The reversal of 252378 is 873252.

252378 is a modest number, since divided by 378 gives 252 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876 + ... + 1127.

It is an arithmetic number, because the mean of its divisors is an integer number (26052).

2²⁵²³⁷⁸ is an apocalyptic number.

252378 is an abundant number, since it is smaller than the sum of its proper divisors (372870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252378 is a wasteful number, since it uses less digits than its factorization.

252378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018 (or 2015 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 252378 is about 502.3723718518. The cubic root of 252378 is about 63.1951619968.

Adding to 252378 its sum of digits (27), we get a triangular number (252405 = T₇₁₀).

It can be divided in two parts, 2523 and 78, that added together give a square (2601 = 51²).

The spelling of 252378 in words is "two hundred fifty-two thousand, three hundred seventy-eight".