3125066256625 has 16 divisors (see below), whose sum is σ = 3900488389200. Its totient is φ = 2499792940800.

The previous prime is 3125066256617. The next prime is 3125066256647. The reversal of 3125066256625 is 5266526605213.

It can be written as a sum of positive squares in 8 ways, for example, as 635411454129 + 2489654802496 = 797127^2 + 1577864^2 .

It is not a de Polignac number, because 3125066256625 - 2³ = 3125066256617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89374 + ... + 2501623.

It is an arithmetic number, because the mean of its divisors is an integer number (243780524325).

Almost surely, 2^{3125066256625} is an apocalyptic number.

It is an amenable number.

3125066256625 is a deficient number, since it is larger than the sum of its proper divisors (775422132575).

3125066256625 is an equidigital number, since it uses as much as digits as its factorization.

3125066256625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600661 (or 2600651 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 3125066256625 in words is "three trillion, one hundred twenty-five billion, sixty-six million, two hundred fifty-six thousand, six hundred twenty-five".