696623497 has 4 divisors (see below), whose sum is σ = 713614356. Its totient is φ = 679632640.

The previous prime is 696623453. The next prime is 696623503. The reversal of 696623497 is 794326696.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 308494096 + 388129401 = 17564^2 + 19701^2 .

It is a cyclic number.

It is not a de Polignac number, because 696623497 - 2²⁷ = 562405769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696623407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8495368 + ... + 8495449.

It is an arithmetic number, because the mean of its divisors is an integer number (178403589).

Almost surely, 2^696623497 is an apocalyptic number.

It is an amenable number.

696623497 is a deficient number, since it is larger than the sum of its proper divisors (16990859).

696623497 is a wasteful number, since it uses less digits than its factorization.

696623497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16990858.

The product of its digits is 2939328, while the sum is 52.

The square root of 696623497 is about 26393.6260676702. The cubic root of 696623497 is about 886.4740760942.

The spelling of 696623497 in words is "six hundred ninety-six million, six hundred twenty-three thousand, four hundred ninety-seven".