625031146363061 has 2 divisors, whose sum is σ = 625031146363062. Its totient is φ = 625031146363060.

The previous prime is 625031146363033. The next prime is 625031146363177. The reversal of 625031146363061 is 160363641130526.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582880537840561 + 42150608522500 = 24142919^2 + 6492350^2 .

It is a cyclic number.

It is not a de Polignac number, because 625031146363061 - 2¹⁰ = 625031146362037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 625031146362997 and 625031146363015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625031146363861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312515573181530 + 312515573181531.

It is an arithmetic number, because the mean of its divisors is an integer number (312515573181531).

Almost surely, 2^{625031146363061} is an apocalyptic number.

It is an amenable number.

625031146363061 is a deficient number, since it is larger than the sum of its proper divisors (1).

625031146363061 is an equidigital number, since it uses as much as digits as its factorization.

625031146363061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 47.

Adding to 625031146363061 its reverse (160363641130526), we get a palindrome (785394787493587).

The spelling of 625031146363061 in words is "six hundred twenty-five trillion, thirty-one billion, one hundred forty-six million, three hundred sixty-three thousand, sixty-one".