626317 has 2 divisors, whose sum is σ = 626318. Its totient is φ = 626316.

The previous prime is 626261. The next prime is 626323. The reversal of 626317 is 713626.

626317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367236 + 259081 = 606^2 + 509^2 .

626317 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 626317 - 2⁷ = 626189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 626291 and 626300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313158 + 313159.

It is an arithmetic number, because the mean of its divisors is an integer number (313159).

2⁶²⁶³¹⁷ is an apocalyptic number.

It is an amenable number.

626317 is a deficient number, since it is larger than the sum of its proper divisors (1).

626317 is an equidigital number, since it uses as much as digits as its factorization.

626317 is an evil number, because the sum of its binary digits is even.

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

The square root of 626317 is about 791.4019206446. The cubic root of 626317 is about 85.5588095562.

The spelling of 626317 in words is "six hundred twenty-six thousand, three hundred seventeen".