253725616 has 20 divisors (see below), whose sum is σ = 496664392. Its totient is φ = 125554176.

The previous prime is 253725587. The next prime is 253725617. The reversal of 253725616 is 616527352.

It is not an unprimeable number, because it can be changed into a prime (253725617) 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, 80190 + ... + 83293.

Almost surely, 2^253725616 is an apocalyptic number.

It is an amenable number.

253725616 is a deficient number, since it is larger than the sum of its proper divisors (242938776).

253725616 is a wasteful number, since it uses less digits than its factorization.

253725616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163588 (or 163582 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 253725616 is about 15928.7669328169. The cubic root of 253725616 is about 633.0744288628.

The spelling of 253725616 in words is "two hundred fifty-three million, seven hundred twenty-five thousand, six hundred sixteen".