253659 has 16 divisors (see below), whose sum is σ = 396288. Its totient is φ = 141312.

The previous prime is 253651. The next prime is 253661. The reversal of 253659 is 956352.

It is not a de Polignac number, because 253659 - 2³ = 253651 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253659.

It is not an unprimeable number, because it can be changed into a prime (253651) 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, 859 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (24768).

2²⁵³⁶⁵⁹ is an apocalyptic number.

253659 is a deficient number, since it is larger than the sum of its proper divisors (142629).

253659 is a wasteful number, since it uses less digits than its factorization.

253659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its digits is 8100, while the sum is 30.

The square root of 253659 is about 503.6457088073. The cubic root of 253659 is about 63.3019019167.

The spelling of 253659 in words is "two hundred fifty-three thousand, six hundred fifty-nine".