3125765117 has 2 divisors, whose sum is σ = 3125765118. Its totient is φ = 3125765116.

The previous prime is 3125765059. The next prime is 3125765161. The reversal of 3125765117 is 7115675213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1993711801 + 1132053316 = 44651^2 + 33646^2 .

It is an emirp because it is prime and its reverse (7115675213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125765117 - 2¹⁸ = 3125502973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3125765017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562882558 + 1562882559.

It is an arithmetic number, because the mean of its divisors is an integer number (1562882559).

Almost surely, 2^3125765117 is an apocalyptic number.

It is an amenable number.

3125765117 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125765117 is an equidigital number, since it uses as much as digits as its factorization.

3125765117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 38.

The square root of 3125765117 is about 55908.5424331560. The cubic root of 3125765117 is about 1462.1281775395.

The spelling of 3125765117 in words is "three billion, one hundred twenty-five million, seven hundred sixty-five thousand, one hundred seventeen".