625813063 has 2 divisors, whose sum is σ = 625813064. Its totient is φ = 625813062.

The previous prime is 625813043. The next prime is 625813073. The reversal of 625813063 is 360318526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625813063 - 2¹³ = 625804871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625813033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312906531 + 312906532.

It is an arithmetic number, because the mean of its divisors is an integer number (312906532).

Almost surely, 2^625813063 is an apocalyptic number.

625813063 is a deficient number, since it is larger than the sum of its proper divisors (1).

625813063 is an equidigital number, since it uses as much as digits as its factorization.

625813063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 625813063 is about 25016.2559748656. The cubic root of 625813063 is about 855.3585641970.

It can be divided in two parts, 6258 and 13063, that added together give a square (19321 = 139²).

The spelling of 625813063 in words is "six hundred twenty-five million, eight hundred thirteen thousand, sixty-three".