626713 has 2 divisors, whose sum is σ = 626714. Its totient is φ = 626712.

The previous prime is 626711. The next prime is 626723. The reversal of 626713 is 317626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 369664 + 257049 = 608^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 626713 - 2¹ = 626711 is a prime.

Together with 626711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (626711) 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 as a sum of consecutive naturals, namely, 313356 + 313357.

It is an arithmetic number, because the mean of its divisors is an integer number (313357).

2⁶²⁶⁷¹³ is an apocalyptic number.

It is an amenable number.

626713 is a deficient number, since it is larger than the sum of its proper divisors (1).

626713 is an equidigital number, since it uses as much as digits as its factorization.

626713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 626713 is about 791.6520700409. The cubic root of 626713 is about 85.5768377807.

The spelling of 626713 in words is "six hundred twenty-six thousand, seven hundred thirteen".