253078279 has 2 divisors, whose sum is σ = 253078280. Its totient is φ = 253078278.

The previous prime is 253078277. The next prime is 253078283. The reversal of 253078279 is 972870352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253078279 - 2¹ = 253078277 is a prime.

Together with 253078277, it forms a pair of twin primes.

It is equal to p_13838398 and since 253078279 and 13838398 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 (253078277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126539139 + 126539140.

It is an arithmetic number, because the mean of its divisors is an integer number (126539140).

Almost surely, 2^253078279 is an apocalyptic number.

253078279 is a deficient number, since it is larger than the sum of its proper divisors (1).

253078279 is an equidigital number, since it uses as much as digits as its factorization.

253078279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 253078279 is about 15908.4342095632. The cubic root of 253078279 is about 632.5355770580.

The spelling of 253078279 in words is "two hundred fifty-three million, seventy-eight thousand, two hundred seventy-nine".