253668412 has 12 divisors (see below), whose sum is σ = 458239936. Its totient is φ = 122742720.

The previous prime is 253668379. The next prime is 253668413. The reversal of 253668412 is 214866352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253668413) 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, 1022733 + ... + 1022980.

Almost surely, 2^253668412 is an apocalyptic number.

It is an amenable number.

253668412 is a deficient number, since it is larger than the sum of its proper divisors (204571524).

253668412 is a wasteful number, since it uses less digits than its factorization.

253668412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045748 (or 2045746 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 253668412 is about 15926.9712123806. The cubic root of 253668412 is about 633.0268484461.

The spelling of 253668412 in words is "two hundred fifty-three million, six hundred sixty-eight thousand, four hundred twelve".