253938895 has 32 divisors (see below), whose sum is σ = 371681280. Its totient is φ = 162673920.

The previous prime is 253938889. The next prime is 253938899. The reversal of 253938895 is 598839352.

It is a happy number.

It is not a de Polignac number, because 253938895 - 2⁵ = 253938863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253938899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45930 + ... + 51160.

It is an arithmetic number, because the mean of its divisors is an integer number (11615040).

Almost surely, 2^253938895 is an apocalyptic number.

253938895 is a deficient number, since it is larger than the sum of its proper divisors (117742385).

253938895 is a wasteful number, since it uses less digits than its factorization.

253938895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335.

The product of its digits is 2332800, while the sum is 52.

The square root of 253938895 is about 15935.4603008511. The cubic root of 253938895 is about 633.2517643487.

The spelling of 253938895 in words is "two hundred fifty-three million, nine hundred thirty-eight thousand, eight hundred ninety-five".