253893155 has 16 divisors (see below), whose sum is σ = 309144000. Its totient is φ = 200154240.

The previous prime is 253893151. The next prime is 253893179. The reversal of 253893155 is 551398352.

It is not a de Polignac number, because 253893155 - 2² = 253893151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253893151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107285 + ... + 109625.

It is an arithmetic number, because the mean of its divisors is an integer number (19321500).

Almost surely, 2^253893155 is an apocalyptic number.

253893155 is a deficient number, since it is larger than the sum of its proper divisors (55250845).

253893155 is a wasteful number, since it uses less digits than its factorization.

253893155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654.

The product of its digits is 162000, while the sum is 41.

The square root of 253893155 is about 15934.0250721530. The cubic root of 253893155 is about 633.2137411923.

The spelling of 253893155 in words is "two hundred fifty-three million, eight hundred ninety-three thousand, one hundred fifty-five".