253995 has 32 divisors (see below), whose sum is σ = 483840. Its totient is φ = 111360.

The previous prime is 253993. The next prime is 253999. The reversal of 253995 is 599352.

253995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253995 - 2¹ = 253993 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253995.

It is not an unprimeable number, because it can be changed into a prime (253993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4276 + ... + 4334.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2²⁵³⁹⁹⁵ is an apocalyptic number.

253995 is a deficient number, since it is larger than the sum of its proper divisors (229845).

253995 is a wasteful number, since it uses less digits than its factorization.

253995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115.

The product of its digits is 12150, while the sum is 33.

The square root of 253995 is about 503.9791662361. The cubic root of 253995 is about 63.3298397580.

The spelling of 253995 in words is "two hundred fifty-three thousand, nine hundred ninety-five".