625952317 has 2 divisors, whose sum is σ = 625952318. Its totient is φ = 625952316.

The previous prime is 625952281. The next prime is 625952329. The reversal of 625952317 is 713259526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361532196 + 264420121 = 19014^2 + 16261^2 .

It is a cyclic number.

It is not a de Polignac number, because 625952317 - 2²⁷ = 491734589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625952317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625952357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312976158 + 312976159.

It is an arithmetic number, because the mean of its divisors is an integer number (312976159).

Almost surely, 2^625952317 is an apocalyptic number.

It is an amenable number.

625952317 is a deficient number, since it is larger than the sum of its proper divisors (1).

625952317 is an equidigital number, since it uses as much as digits as its factorization.

625952317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 40.

The square root of 625952317 is about 25019.0390902608. The cubic root of 625952317 is about 855.4220034116.

The spelling of 625952317 in words is "six hundred twenty-five million, nine hundred fifty-two thousand, three hundred seventeen".