253884129 has 4 divisors (see below), whose sum is σ = 338512176. Its totient is φ = 169256084.

The previous prime is 253884119. The next prime is 253884161. The reversal of 253884129 is 921488352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253884129 - 2⁸ = 253883873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253884109) 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, 42314019 + ... + 42314024.

It is an arithmetic number, because the mean of its divisors is an integer number (84628044).

Almost surely, 2^253884129 is an apocalyptic number.

It is an amenable number.

253884129 is a deficient number, since it is larger than the sum of its proper divisors (84628047).

253884129 is an equidigital number, since it uses as much as digits as its factorization.

253884129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84628046.

The product of its digits is 138240, while the sum is 42.

The square root of 253884129 is about 15933.7418392542. The cubic root of 253884129 is about 633.2062374388.

The spelling of 253884129 in words is "two hundred fifty-three million, eight hundred eighty-four thousand, one hundred twenty-nine".