694313 has 2 divisors, whose sum is σ = 694314. Its totient is φ = 694312.

The previous prime is 694277. The next prime is 694319. The reversal of 694313 is 313496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659344 + 34969 = 812^2 + 187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-694313 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694313.

It is not a weakly prime, because it can be changed into another prime (694319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347156 + 347157.

It is an arithmetic number, because the mean of its divisors is an integer number (347157).

2⁶⁹⁴³¹³ is an apocalyptic number.

It is an amenable number.

694313 is a deficient number, since it is larger than the sum of its proper divisors (1).

694313 is an equidigital number, since it uses as much as digits as its factorization.

694313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 694313 is about 833.2544629343. The cubic root of 694313 is about 88.5492931901.

The spelling of 694313 in words is "six hundred ninety-four thousand, three hundred thirteen".