253632 has 28 divisors (see below), whose sum is σ = 671576. Its totient is φ = 84480.

The previous prime is 253613. The next prime is 253633. The reversal of 253632 is 236352.

It is a junction number, because it is equal to n+sod(n) for n = 253599 and 253608.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253632.

It is not an unprimeable number, because it can be changed into a prime (253633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469 + ... + 852.

2²⁵³⁶³² is an apocalyptic number.

It is an amenable number.

253632 is an abundant number, since it is smaller than the sum of its proper divisors (417944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253632 is a wasteful number, since it uses less digits than its factorization.

253632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1326 counting only the distinct ones).

The product of its digits is 1080, while the sum is 21.

The square root of 253632 is about 503.6189035372. The cubic root of 253632 is about 63.2996558409.

Adding to 253632 its reverse (236352), we get a palindrome (489984).

The spelling of 253632 in words is "two hundred fifty-three thousand, six hundred thirty-two".