625026163616201 has 2 divisors, whose sum is σ = 625026163616202. Its totient is φ = 625026163616200.

The previous prime is 625026163616131. The next prime is 625026163616249. The reversal of 625026163616201 is 102616361620526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434688932148025 + 190337231468176 = 20849195^2 + 13796276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625026163616201 is a prime.

It is not a weakly prime, because it can be changed into another prime (625026163616501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312513081808100 + 312513081808101.

It is an arithmetic number, because the mean of its divisors is an integer number (312513081808101).

Almost surely, 2^{625026163616201} is an apocalyptic number.

It is an amenable number.

625026163616201 is a deficient number, since it is larger than the sum of its proper divisors (1).

625026163616201 is an equidigital number, since it uses as much as digits as its factorization.

625026163616201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 625026163616201 in words is "six hundred twenty-five trillion, twenty-six billion, one hundred sixty-three million, six hundred sixteen thousand, two hundred one".