625500529 has 2 divisors, whose sum is σ = 625500530. Its totient is φ = 625500528.

The previous prime is 625500497. The next prime is 625500559. The reversal of 625500529 is 925005526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602604304 + 22896225 = 24548^2 + 4785^2 .

It is a cyclic number.

It is not a de Polignac number, because 625500529 - 2⁵ = 625500497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625500494 and 625500503.

It is not a weakly prime, because it can be changed into another prime (625500559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312750264 + 312750265.

It is an arithmetic number, because the mean of its divisors is an integer number (312750265).

Almost surely, 2^625500529 is an apocalyptic number.

It is an amenable number.

625500529 is a deficient number, since it is larger than the sum of its proper divisors (1).

625500529 is an equidigital number, since it uses as much as digits as its factorization.

625500529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 625500529 is about 25010.0085765679. The cubic root of 625500529 is about 855.2161504511.

The spelling of 625500529 in words is "six hundred twenty-five million, five hundred thousand, five hundred twenty-nine".