253415432 has 16 divisors (see below), whose sum is σ = 479768640. Its totient is φ = 125477136.

The previous prime is 253415387. The next prime is 253415441. The reversal of 253415432 is 234514352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 253415395 and 253415404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152948 + ... + 154595.

It is an arithmetic number, because the mean of its divisors is an integer number (29985540).

Almost surely, 2^253415432 is an apocalyptic number.

It is an amenable number.

253415432 is a deficient number, since it is larger than the sum of its proper divisors (226353208).

253415432 is a wasteful number, since it uses less digits than its factorization.

253415432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307652 (or 307648 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 253415432 is about 15919.0273572226. The cubic root of 253415432 is about 632.8163421444.

Adding to 253415432 its reverse (234514352), we get a palindrome (487929784).

The spelling of 253415432 in words is "two hundred fifty-three million, four hundred fifteen thousand, four hundred thirty-two".