513279379 has 2 divisors, whose sum is σ = 513279380. Its totient is φ = 513279378.

The previous prime is 513279373. The next prime is 513279391. The reversal of 513279379 is 973972315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513279379 - 2²⁷ = 379061651 is a prime.

It is not a weakly prime, because it can be changed into another prime (513279373) 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, 256639689 + 256639690.

It is an arithmetic number, because the mean of its divisors is an integer number (256639690).

Almost surely, 2^513279379 is an apocalyptic number.

513279379 is a deficient number, since it is larger than the sum of its proper divisors (1).

513279379 is an equidigital number, since it uses as much as digits as its factorization.

513279379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 357210, while the sum is 46.

The square root of 513279379 is about 22655.6699084357. The cubic root of 513279379 is about 800.6657889817.

It can be divided in two parts, 51327 and 9379, that added together give a palindrome (60706).

The spelling of 513279379 in words is "five hundred thirteen million, two hundred seventy-nine thousand, three hundred seventy-nine".