3125315617 has 2 divisors, whose sum is σ = 3125315618. Its totient is φ = 3125315616.

The previous prime is 3125315579. The next prime is 3125315621. The reversal of 3125315617 is 7165135213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3114086416 + 11229201 = 55804^2 + 3351^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125315617 - 2⁷ = 3125315489 is a prime.

It is not a weakly prime, because it can be changed into another prime (3125313617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562657808 + 1562657809.

It is an arithmetic number, because the mean of its divisors is an integer number (1562657809).

Almost surely, 2^3125315617 is an apocalyptic number.

It is an amenable number.

3125315617 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125315617 is an equidigital number, since it uses as much as digits as its factorization.

3125315617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 34.

The square root of 3125315617 is about 55904.5223304877. The cubic root of 3125315617 is about 1462.0580871672.

The spelling of 3125315617 in words is "three billion, one hundred twenty-five million, three hundred fifteen thousand, six hundred seventeen".