625300129 has 2 divisors, whose sum is σ = 625300130. Its totient is φ = 625300128.

The previous prime is 625300087. The next prime is 625300133. The reversal of 625300129 is 921003526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 581051025 + 44249104 = 24105^2 + 6652^2 .

It is a cyclic number.

It is not a de Polignac number, because 625300129 - 2⁹ = 625299617 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 625300097 and 625300106.

It is not a weakly prime, because it can be changed into another prime (625300199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312650064 + 312650065.

It is an arithmetic number, because the mean of its divisors is an integer number (312650065).

Almost surely, 2^625300129 is an apocalyptic number.

It is an amenable number.

625300129 is a deficient number, since it is larger than the sum of its proper divisors (1).

625300129 is an equidigital number, since it uses as much as digits as its factorization.

625300129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 625300129 is about 25006.0018595536. The cubic root of 625300129 is about 855.1248083366.

The spelling of 625300129 in words is "six hundred twenty-five million, three hundred thousand, one hundred twenty-nine".