693313 has 4 divisors (see below), whose sum is σ = 694980. Its totient is φ = 691648.

The previous prime is 693283. The next prime is 693317. The reversal of 693313 is 313396.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 66049 = 792^2 + 257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-693313 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 693313.

It is not an unprimeable number, because it can be changed into a prime (693317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381 + ... + 1237.

It is an arithmetic number, because the mean of its divisors is an integer number (173745).

2⁶⁹³³¹³ is an apocalyptic number.

It is an amenable number.

693313 is a deficient number, since it is larger than the sum of its proper divisors (1667).

693313 is an equidigital number, since it uses as much as digits as its factorization.

693313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its digits is 1458, while the sum is 25.

The square root of 693313 is about 832.6541899252. The cubic root of 693313 is about 88.5067610569.

The spelling of 693313 in words is "six hundred ninety-three thousand, three hundred thirteen".