3117725 has 24 divisors (see below), whose sum is σ = 4265352. Its totient is φ = 2246400.

The previous prime is 3117721. The next prime is 3117739. The reversal of 3117725 is 5277113.

It can be written as a sum of positive squares in 12 ways, for example, as 2079364 + 1038361 = 1442^2 + 1019^2 .

It is not a de Polignac number, because 3117725 - 2² = 3117721 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 3117694 and 3117703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17135 + ... + 17315.

It is an arithmetic number, because the mean of its divisors is an integer number (177723).

Almost surely, 2^3117725 is an apocalyptic number.

It is an amenable number.

3117725 is a deficient number, since it is larger than the sum of its proper divisors (1147627).

3117725 is a wasteful number, since it uses less digits than its factorization.

3117725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 252 counting only the distinct ones).

The product of its digits is 1470, while the sum is 26.

The square root of 3117725 is about 1765.7080732669. The cubic root of 3117725 is about 146.0873468697.

The spelling of 3117725 in words is "three million, one hundred seventeen thousand, seven hundred twenty-five".