2957731825 has 12 divisors (see below), whose sum is σ = 3883328460. Its totient is φ = 2226997760.

The previous prime is 2957731813. The next prime is 2957731873. The reversal of 2957731825 is 5281377592.

It can be written as a sum of positive squares in 6 ways, for example, as 70174129 + 2887557696 = 8377^2 + 53736^2 .

It is not a de Polignac number, because 2957731825 - 2⁹ = 2957731313 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3479260 + ... + 3480109.

It is an arithmetic number, because the mean of its divisors is an integer number (323610705).

Almost surely, 2^2957731825 is an apocalyptic number.

2957731825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2957731825 is a deficient number, since it is larger than the sum of its proper divisors (925596635).

2957731825 is a wasteful number, since it uses less digits than its factorization.

2957731825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959396 (or 6959391 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The square root of 2957731825 is about 54385.0330973513. The cubic root of 2957731825 is about 1435.4440345453. Note that the first 3 decimals are identical.

The spelling of 2957731825 in words is "two billion, nine hundred fifty-seven million, seven hundred thirty-one thousand, eight hundred twenty-five".