253120408 has 16 divisors (see below), whose sum is σ = 474776280. Its totient is φ = 126513408.

The previous prime is 253120393. The next prime is 253120409. The reversal of 253120408 is 804021352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253120409) 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, 30216 + ... + 37672.

Almost surely, 2^253120408 is an apocalyptic number.

It is an amenable number.

253120408 is a deficient number, since it is larger than the sum of its proper divisors (221655872).

253120408 is a wasteful number, since it uses less digits than its factorization.

253120408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11706 (or 11702 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 253120408 is about 15909.7582634055. The cubic root of 253120408 is about 632.5706737257.

The spelling of 253120408 in words is "two hundred fifty-three million, one hundred twenty thousand, four hundred eight".