253759379 has 2 divisors, whose sum is σ = 253759380. Its totient is φ = 253759378.

The previous prime is 253759343. The next prime is 253759393. The reversal of 253759379 is 973957352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253759379 is a prime.

It is not a weakly prime, because it can be changed into another prime (253759399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126879689 + 126879690.

It is an arithmetic number, because the mean of its divisors is an integer number (126879690).

Almost surely, 2^253759379 is an apocalyptic number.

253759379 is a deficient number, since it is larger than the sum of its proper divisors (1).

253759379 is an equidigital number, since it uses as much as digits as its factorization.

253759379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1786050, while the sum is 50.

The square root of 253759379 is about 15929.8267096664. The cubic root of 253759379 is about 633.1025084660.

It can be divided in two parts, 2537 and 59379, that added together give a palindrome (61916).

The spelling of 253759379 in words is "two hundred fifty-three million, seven hundred fifty-nine thousand, three hundred seventy-nine".