693317 has 2 divisors, whose sum is σ = 693318. Its totient is φ = 693316.

The previous prime is 693283. The next prime is 693323. The reversal of 693317 is 713396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649636 + 43681 = 806^2 + 209^2 .

It is a cyclic number.

It is not a de Polignac number, because 693317 - 2⁸ = 693061 is a prime.

It is a Chen prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 693317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346658 + 346659.

It is an arithmetic number, because the mean of its divisors is an integer number (346659).

2⁶⁹³³¹⁷ is an apocalyptic number.

It is an amenable number.

693317 is a deficient number, since it is larger than the sum of its proper divisors (1).

693317 is an equidigital number, since it uses as much as digits as its factorization.

693317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 29.

The square root of 693317 is about 832.6565918793. The cubic root of 693317 is about 88.5069312669.

The spelling of 693317 in words is "six hundred ninety-three thousand, three hundred seventeen".