253378 has 8 divisors (see below), whose sum is σ = 383040. Its totient is φ = 125700.

The previous prime is 253369. The next prime is 253381. The reversal of 253378 is 873352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118 + ... + 721.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2²⁵³³⁷⁸ is an apocalyptic number.

253378 is a deficient number, since it is larger than the sum of its proper divisors (129662).

253378 is a wasteful number, since it uses less digits than its factorization.

253378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992.

The product of its digits is 5040, while the sum is 28.

The square root of 253378 is about 503.3666655630. The cubic root of 253378 is about 63.2785182837.

It can be divided in two parts, 25 and 3378, that added together give a triangular number (3403 = T₈₂).

The spelling of 253378 in words is "two hundred fifty-three thousand, three hundred seventy-eight".