696517 has 2 divisors, whose sum is σ = 696518. Its totient is φ = 696516.

The previous prime is 696503. The next prime is 696523. The reversal of 696517 is 715696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695556 + 961 = 834^2 + 31^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696517 is a prime.

696517 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348258 + 348259.

It is an arithmetic number, because the mean of its divisors is an integer number (348259).

2⁶⁹⁶⁵¹⁷ is an apocalyptic number.

It is an amenable number.

696517 is a deficient number, since it is larger than the sum of its proper divisors (1).

696517 is an equidigital number, since it uses as much as digits as its factorization.

696517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 696517 is about 834.5759402235. The cubic root of 696517 is about 88.6428900261.

The spelling of 696517 in words is "six hundred ninety-six thousand, five hundred seventeen".