697783313 has 2 divisors, whose sum is σ = 697783314. Its totient is φ = 697783312.

The previous prime is 697783283. The next prime is 697783321. The reversal of 697783313 is 313387796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588935824 + 108847489 = 24268^2 + 10433^2 .

It is a cyclic number.

It is not a de Polignac number, because 697783313 - 2⁸ = 697783057 is a prime.

It is a super-3 number, since 3×697783313³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (697783363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348891656 + 348891657.

It is an arithmetic number, because the mean of its divisors is an integer number (348891657).

Almost surely, 2^697783313 is an apocalyptic number.

It is an amenable number.

697783313 is a deficient number, since it is larger than the sum of its proper divisors (1).

697783313 is an equidigital number, since it uses as much as digits as its factorization.

697783313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 697783313 is about 26415.5884469758. The cubic root of 697783313 is about 886.9657700808.

The spelling of 697783313 in words is "six hundred ninety-seven million, seven hundred eighty-three thousand, three hundred thirteen".