253385 has 16 divisors (see below), whose sum is σ = 352512. Its totient is φ = 172800.

The previous prime is 253381. The next prime is 253387. The reversal of 253385 is 583352.

It is not a de Polignac number, because 253385 - 2² = 253381 is a prime.

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 253385.

It is not an unprimeable number, because it can be changed into a prime (253381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800 + ... + 1070.

It is an arithmetic number, because the mean of its divisors is an integer number (22032).

2²⁵³³⁸⁵ is an apocalyptic number.

It is an amenable number.

253385 is a deficient number, since it is larger than the sum of its proper divisors (99127).

253385 is a wasteful number, since it uses less digits than its factorization.

253385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 3600, while the sum is 26.

The square root of 253385 is about 503.3736186969. The cubic root of 253385 is about 63.2791010041.

The spelling of 253385 in words is "two hundred fifty-three thousand, three hundred eighty-five".