253253479 has 2 divisors, whose sum is σ = 253253480. Its totient is φ = 253253478.

The previous prime is 253253449. The next prime is 253253509. The reversal of 253253479 is 974352352.

It is a balanced prime because it is at equal distance from previous prime (253253449) and next prime (253253509).

It is a cyclic number.

It is not a de Polignac number, because 253253479 - 2²⁵ = 219699047 is a prime.

It is equal to p_13847395 and since 253253479 and 13847395 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253253449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126626739 + 126626740.

It is an arithmetic number, because the mean of its divisors is an integer number (126626740).

Almost surely, 2^253253479 is an apocalyptic number.

253253479 is a deficient number, since it is larger than the sum of its proper divisors (1).

253253479 is an equidigital number, since it uses as much as digits as its factorization.

253253479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 40.

The square root of 253253479 is about 15913.9397698998. The cubic root of 253253479 is about 632.6815064395.

The spelling of 253253479 in words is "two hundred fifty-three million, two hundred fifty-three thousand, four hundred seventy-nine".