697513379 has 2 divisors, whose sum is σ = 697513380. Its totient is φ = 697513378.

The previous prime is 697513303. The next prime is 697513391. The reversal of 697513379 is 973315796.

697513379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 697513379 - 2²⁸ = 429077923 is a prime.

It is not a weakly prime, because it can be changed into another prime (697513679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348756689 + 348756690.

It is an arithmetic number, because the mean of its divisors is an integer number (348756690).

Almost surely, 2^697513379 is an apocalyptic number.

697513379 is a deficient number, since it is larger than the sum of its proper divisors (1).

697513379 is an equidigital number, since it uses as much as digits as its factorization.

697513379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1071630, while the sum is 50.

The square root of 697513379 is about 26410.4785833199. The cubic root of 697513379 is about 886.8513825657.

The spelling of 697513379 in words is "six hundred ninety-seven million, five hundred thirteen thousand, three hundred seventy-nine".