253429279 has 2 divisors, whose sum is σ = 253429280. Its totient is φ = 253429278.

The previous prime is 253429273. The next prime is 253429291. The reversal of 253429279 is 972924352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253429279 - 2⁷ = 253429151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253429273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126714639 + 126714640.

It is an arithmetic number, because the mean of its divisors is an integer number (126714640).

Almost surely, 2^253429279 is an apocalyptic number.

253429279 is a deficient number, since it is larger than the sum of its proper divisors (1).

253429279 is an equidigital number, since it uses as much as digits as its factorization.

253429279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 253429279 is about 15919.4622710693. The cubic root of 253429279 is about 632.8278679465.

It can be divided in two parts, 2534 and 29279, that added together give a palindrome (31813).

The spelling of 253429279 in words is "two hundred fifty-three million, four hundred twenty-nine thousand, two hundred seventy-nine".