2931080725 has 12 divisors (see below), whose sum is σ = 3639265956. Its totient is φ = 2341815680.

The previous prime is 2931080723. The next prime is 2931080731. The reversal of 2931080725 is 5270801392.

It can be written as a sum of positive squares in 6 ways, for example, as 266146596 + 2664934129 = 16314^2 + 51623^2 .

It is not a de Polignac number, because 2931080725 - 2¹ = 2931080723 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2931080723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56512 + ... + 95161.

It is an arithmetic number, because the mean of its divisors is an integer number (303272163).

Almost surely, 2^2931080725 is an apocalyptic number.

2931080725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2931080725 is a deficient number, since it is larger than the sum of its proper divisors (708185231).

2931080725 is a wasteful number, since it uses less digits than its factorization.

2931080725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152456 (or 152451 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2931080725 is about 54139.4562680491. The cubic root of 2931080725 is about 1431.1195895747.

The spelling of 2931080725 in words is "two billion, nine hundred thirty-one million, eighty thousand, seven hundred twenty-five".