693047317 has 2 divisors, whose sum is σ = 693047318. Its totient is φ = 693047316.

The previous prime is 693047269. The next prime is 693047323. The reversal of 693047317 is 713740396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 637007121 + 56040196 = 25239^2 + 7486^2 .

It is a cyclic number.

It is not a de Polignac number, because 693047317 - 2²⁷ = 558829589 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 693047317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693047387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346523658 + 346523659.

It is an arithmetic number, because the mean of its divisors is an integer number (346523659).

Almost surely, 2^693047317 is an apocalyptic number.

It is an amenable number.

693047317 is a deficient number, since it is larger than the sum of its proper divisors (1).

693047317 is an equidigital number, since it uses as much as digits as its factorization.

693047317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 693047317 is about 26325.7918589356. The cubic root of 693047317 is about 884.9545411657.

The spelling of 693047317 in words is "six hundred ninety-three million, forty-seven thousand, three hundred seventeen".