253479829 has 2 divisors, whose sum is σ = 253479830. Its totient is φ = 253479828.

The previous prime is 253479823. The next prime is 253479851. The reversal of 253479829 is 928974352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158709604 + 94770225 = 12598^2 + 9735^2 .

It is a cyclic number.

It is not a de Polignac number, because 253479829 - 2⁷ = 253479701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253479823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126739914 + 126739915.

It is an arithmetic number, because the mean of its divisors is an integer number (126739915).

Almost surely, 2^253479829 is an apocalyptic number.

It is an amenable number.

253479829 is a deficient number, since it is larger than the sum of its proper divisors (1).

253479829 is an equidigital number, since it uses as much as digits as its factorization.

253479829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 253479829 is about 15921.0498711611. The cubic root of 253479829 is about 632.8699405938.

The spelling of 253479829 in words is "two hundred fifty-three million, four hundred seventy-nine thousand, eight hundred twenty-nine".