253899 has 6 divisors (see below), whose sum is σ = 366756. Its totient is φ = 169260.

The previous prime is 253879. The next prime is 253901. The reversal of 253899 is 998352.

It is not a de Polignac number, because 253899 - 2⁵ = 253867 is a prime.

253899 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253899.

It is not an unprimeable number, because it can be changed into a prime (253819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14097 + ... + 14114.

It is an arithmetic number, because the mean of its divisors is an integer number (61126).

2²⁵³⁸⁹⁹ is an apocalyptic number.

253899 is a deficient number, since it is larger than the sum of its proper divisors (112857).

253899 is a wasteful number, since it uses less digits than its factorization.

253899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28217 (or 28214 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 253899 is about 503.8839152027. The cubic root of 253899 is about 63.3218600331.

The spelling of 253899 in words is "two hundred fifty-three thousand, eight hundred ninety-nine".