697407701 has 2 divisors, whose sum is σ = 697407702. Its totient is φ = 697407700.

The previous prime is 697407647. The next prime is 697407707. The reversal of 697407701 is 107704796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 662290225 + 35117476 = 25735^2 + 5926^2 .

It is a cyclic number.

It is not a de Polignac number, because 697407701 - 2²² = 693213397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697407707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348703850 + 348703851.

It is an arithmetic number, because the mean of its divisors is an integer number (348703851).

Almost surely, 2^697407701 is an apocalyptic number.

It is an amenable number.

697407701 is a deficient number, since it is larger than the sum of its proper divisors (1).

697407701 is an equidigital number, since it uses as much as digits as its factorization.

697407701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 697407701 is about 26408.4778243654. The cubic root of 697407701 is about 886.8065923070.

The spelling of 697407701 in words is "six hundred ninety-seven million, four hundred seven thousand, seven hundred one".