697913 has 2 divisors, whose sum is σ = 697914. Its totient is φ = 697912.

The previous prime is 697909. The next prime is 697937. The reversal of 697913 is 319796.

697913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506944 + 190969 = 712^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 697913 - 2² = 697909 is a prime.

It is not a weakly prime, because it can be changed into another prime (697973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348956 + 348957.

It is an arithmetic number, because the mean of its divisors is an integer number (348957).

2⁶⁹⁷⁹¹³ is an apocalyptic number.

It is an amenable number.

697913 is a deficient number, since it is larger than the sum of its proper divisors (1).

697913 is an equidigital number, since it uses as much as digits as its factorization.

697913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 35.

The square root of 697913 is about 835.4118744667. The cubic root of 697913 is about 88.7020715889.

The spelling of 697913 in words is "six hundred ninety-seven thousand, nine hundred thirteen".