253532432 has 20 divisors (see below), whose sum is σ = 492285456. Its totient is φ = 126491040.

The previous prime is 253532417. The next prime is 253532437. The reversal of 253532432 is 234235352.

It is a junction number, because it is equal to n+sod(n) for n = 253532395 and 253532404.

It is not an unprimeable number, because it can be changed into a prime (253532437) 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, 9494 + ... + 24437.

Almost surely, 2^253532432 is an apocalyptic number.

It is an amenable number.

253532432 is a deficient number, since it is larger than the sum of its proper divisors (238753024).

253532432 is a wasteful number, since it uses less digits than its factorization.

253532432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34406 (or 34400 counting only the distinct ones).

The product of its digits is 21600, while the sum is 29.

The square root of 253532432 is about 15922.7017807908. The cubic root of 253532432 is about 632.9137160098.

Adding to 253532432 its reverse (234235352), we get a palindrome (487767784).

The spelling of 253532432 in words is "two hundred fifty-three million, five hundred thirty-two thousand, four hundred thirty-two".