2125407017 has 2 divisors, whose sum is σ = 2125407018. Its totient is φ = 2125407016.

The previous prime is 2125406981. The next prime is 2125407043. The reversal of 2125407017 is 7107045212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1897125136 + 228281881 = 43556^2 + 15109^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125407017 - 2⁸ = 2125406761 is a prime.

It is not a weakly prime, because it can be changed into another prime (2125407047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062703508 + 1062703509.

It is an arithmetic number, because the mean of its divisors is an integer number (1062703509).

Almost surely, 2^2125407017 is an apocalyptic number.

It is an amenable number.

2125407017 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125407017 is an equidigital number, since it uses as much as digits as its factorization.

2125407017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 2125407017 is about 46102.1367942962. The cubic root of 2125407017 is about 1285.7228728592.

The spelling of 2125407017 in words is "two billion, one hundred twenty-five million, four hundred seven thousand, seventeen".