697319113 has 2 divisors, whose sum is σ = 697319114. Its totient is φ = 697319112.

The previous prime is 697319071. The next prime is 697319137. The reversal of 697319113 is 311913796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697118409 + 200704 = 26403^2 + 448^2 .

It is a cyclic number.

It is not a de Polignac number, because 697319113 - 2¹³ = 697310921 is a prime.

It is not a weakly prime, because it can be changed into another prime (697119113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348659556 + 348659557.

It is an arithmetic number, because the mean of its divisors is an integer number (348659557).

Almost surely, 2^697319113 is an apocalyptic number.

It is an amenable number.

697319113 is a deficient number, since it is larger than the sum of its proper divisors (1).

697319113 is an equidigital number, since it uses as much as digits as its factorization.

697319113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30618, while the sum is 40.

The square root of 697319113 is about 26406.8005066877. The cubic root of 697319113 is about 886.7690419383.

The spelling of 697319113 in words is "six hundred ninety-seven million, three hundred nineteen thousand, one hundred thirteen".