626400563 has 2 divisors, whose sum is σ = 626400564. Its totient is φ = 626400562.

The previous prime is 626400557. The next prime is 626400611. The reversal of 626400563 is 365004626.

626400563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 626400563 - 2⁶ = 626400499 is a prime.

It is not a weakly prime, because it can be changed into another prime (626400263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313200281 + 313200282.

It is an arithmetic number, because the mean of its divisors is an integer number (313200282).

Almost surely, 2^626400563 is an apocalyptic number.

626400563 is a deficient number, since it is larger than the sum of its proper divisors (1).

626400563 is an equidigital number, since it uses as much as digits as its factorization.

626400563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 626400563 is about 25027.9955849445. The cubic root of 626400563 is about 855.6261446271.

The spelling of 626400563 in words is "six hundred twenty-six million, four hundred thousand, five hundred sixty-three".