253683 has 12 divisors (see below), whose sum is σ = 372528. Its totient is φ = 166320.

The previous prime is 253681. The next prime is 253703. The reversal of 253683 is 386352.

It is not a de Polignac number, because 253683 - 2¹ = 253681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (31044).

2²⁵³⁶⁸³ is an apocalyptic number.

253683 is a deficient number, since it is larger than the sum of its proper divisors (118845).

253683 is a wasteful number, since it uses less digits than its factorization.

253683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 471 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 253683 is about 503.6695345164. The cubic root of 253683 is about 63.3038982947.

The spelling of 253683 in words is "two hundred fifty-three thousand, six hundred eighty-three".