253617232 has 20 divisors (see below), whose sum is σ = 536054976. Its totient is φ = 115280480.

The previous prime is 253617229. The next prime is 253617239. The reversal of 253617232 is 232716352.

253617232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 253617194 and 253617203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253617239) 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, 720328 + ... + 720679.

Almost surely, 2^253617232 is an apocalyptic number.

253617232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253617232 is an abundant number, since it is smaller than the sum of its proper divisors (282437744).

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

253617232 is a wasteful number, since it uses less digits than its factorization.

253617232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441026 (or 1441020 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 253617232 is about 15925.3644228319. The cubic root of 253617232 is about 632.9842725325.

The spelling of 253617232 in words is "two hundred fifty-three million, six hundred seventeen thousand, two hundred thirty-two".