697115061 has 12 divisors (see below), whose sum is σ = 1007774092. Its totient is φ = 464360256.

The previous prime is 697115053. The next prime is 697115099. The reversal of 697115061 is 160511796.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 220522500 + 476592561 = 14850^2 + 21831^2 .

It is not a de Polignac number, because 697115061 - 2³ = 697115053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697115051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20176 + ... + 42441.

Almost surely, 2^697115061 is an apocalyptic number.

It is an amenable number.

697115061 is a deficient number, since it is larger than the sum of its proper divisors (310659031).

697115061 is a wasteful number, since it uses less digits than its factorization.

697115061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63860 (or 63857 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 697115061 is about 26402.9365980377. The cubic root of 697115061 is about 886.6825369959.

The spelling of 697115061 in words is "six hundred ninety-seven million, one hundred fifteen thousand, sixty-one".