625241143697 has 2 divisors, whose sum is σ = 625241143698. Its totient is φ = 625241143696.

The previous prime is 625241143691. The next prime is 625241143721. The reversal of 625241143697 is 796341142526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615862383361 + 9378760336 = 784769^2 + 96844^2 .

It is a cyclic number.

It is not a de Polignac number, because 625241143697 - 2¹⁸ = 625240881553 is a prime.

It is not a weakly prime, because it can be changed into another prime (625241143691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312620571848 + 312620571849.

It is an arithmetic number, because the mean of its divisors is an integer number (312620571849).

Almost surely, 2^625241143697 is an apocalyptic number.

It is an amenable number.

625241143697 is a deficient number, since it is larger than the sum of its proper divisors (1).

625241143697 is an equidigital number, since it uses as much as digits as its factorization.

625241143697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The spelling of 625241143697 in words is "six hundred twenty-five billion, two hundred forty-one million, one hundred forty-three thousand, six hundred ninety-seven".