3116649725 has 24 divisors (see below), whose sum is σ = 4478963328. Its totient is φ = 2107022400.

The previous prime is 3116649721. The next prime is 3116649733. The reversal of 3116649725 is 5279466113.

It is not a de Polignac number, because 3116649725 - 2² = 3116649721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3116649721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112994 + ... + 137843.

It is an arithmetic number, because the mean of its divisors is an integer number (186623472).

Almost surely, 2^3116649725 is an apocalyptic number.

3116649725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3116649725 is a deficient number, since it is larger than the sum of its proper divisors (1362313603).

3116649725 is a wasteful number, since it uses less digits than its factorization.

3116649725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250925 (or 250920 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 3116649725 is about 55826.9623479551. The cubic root of 3116649725 is about 1460.7055020607.

The spelling of 3116649725 in words is "three billion, one hundred sixteen million, six hundred forty-nine thousand, seven hundred twenty-five".