697105961 has 8 divisors (see below), whose sum is σ = 747006624. Its totient is φ = 648193600.

The previous prime is 697105951. The next prime is 697106051. The reversal of 697105961 is 169501796.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 697105961 - 2¹⁰ = 697104937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (697105901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245615 + ... + 248436.

It is an arithmetic number, because the mean of its divisors is an integer number (93375828).

Almost surely, 2^697105961 is an apocalyptic number.

It is an amenable number.

697105961 is a deficient number, since it is larger than the sum of its proper divisors (49900663).

697105961 is a wasteful number, since it uses less digits than its factorization.

697105961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494151.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 697105961 is about 26402.7642681595. The cubic root of 697105961 is about 886.6786787871.

The spelling of 697105961 in words is "six hundred ninety-seven million, one hundred five thousand, nine hundred sixty-one".