626838313 has 2 divisors, whose sum is σ = 626838314. Its totient is φ = 626838312.

The previous prime is 626838283. The next prime is 626838319. The reversal of 626838313 is 313838626.

626838313 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., 427124889 + 199713424 = 20667^2 + 14132^2 .

It is a cyclic number.

It is not a de Polignac number, because 626838313 - 2⁹ = 626837801 is a prime.

It is not a weakly prime, because it can be changed into another prime (626838319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313419156 + 313419157.

It is an arithmetic number, because the mean of its divisors is an integer number (313419157).

Almost surely, 2^626838313 is an apocalyptic number.

It is an amenable number.

626838313 is a deficient number, since it is larger than the sum of its proper divisors (1).

626838313 is an equidigital number, since it uses as much as digits as its factorization.

626838313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 626838313 is about 25036.7392645288. The cubic root of 626838313 is about 855.8254117581.

The spelling of 626838313 in words is "six hundred twenty-six million, eight hundred thirty-eight thousand, three hundred thirteen".