625220041 has 2 divisors, whose sum is σ = 625220042. Its totient is φ = 625220040.

The previous prime is 625219981. The next prime is 625220047. The reversal of 625220041 is 140022526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493062025 + 132158016 = 22205^2 + 11496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625220041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625219994 and 625220021.

It is not a weakly prime, because it can be changed into another prime (625220047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312610020 + 312610021.

It is an arithmetic number, because the mean of its divisors is an integer number (312610021).

Almost surely, 2^625220041 is an apocalyptic number.

It is an amenable number.

625220041 is a deficient number, since it is larger than the sum of its proper divisors (1).

625220041 is an equidigital number, since it uses as much as digits as its factorization.

625220041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 625220041 is about 25004.4004327238. The cubic root of 625220041 is about 855.0882988502.

Adding to 625220041 its reverse (140022526), we get a palindrome (765242567).

The spelling of 625220041 in words is "six hundred twenty-five million, two hundred twenty thousand, forty-one".