253395 has 16 divisors (see below), whose sum is σ = 450720. Its totient is φ = 135072.

The previous prime is 253387. The next prime is 253417. The reversal of 253395 is 593352.

253395 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 253395 - 2³ = 253387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804 + ... + 1073.

It is an arithmetic number, because the mean of its divisors is an integer number (28170).

2²⁵³³⁹⁵ is an apocalyptic number.

253395 is a deficient number, since it is larger than the sum of its proper divisors (197325).

253395 is a wasteful number, since it uses less digits than its factorization.

253395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1885 counting only the distinct ones).

The product of its digits is 4050, while the sum is 27.

The square root of 253395 is about 503.3835515787. The cubic root of 253395 is about 63.2799334431.

It can be divided in two parts, 2533 and 95, that added together give a triangular number (2628 = T₇₂).

The spelling of 253395 in words is "two hundred fifty-three thousand, three hundred ninety-five".