3117625 has 24 divisors (see below), whose sum is σ = 4534920. Its totient is φ = 2133600.

The previous prime is 3117623. The next prime is 3117637. The reversal of 3117625 is 5267113.

It can be written as a sum of positive squares in 4 ways, for example, as 5929 + 3111696 = 77^2 + 1764^2 .

It is not a de Polignac number, because 3117625 - 2¹ = 3117623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 3117625.

It is not an unprimeable number, because it can be changed into a prime (3117623) 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, 5871 + ... + 6379.

It is an arithmetic number, because the mean of its divisors is an integer number (188955).

Almost surely, 2^3117625 is an apocalyptic number.

3117625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3117625 is a deficient number, since it is larger than the sum of its proper divisors (1417295).

3117625 is an equidigital number, since it uses as much as digits as its factorization.

3117625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 521 counting only the distinct ones).

The product of its digits is 1260, while the sum is 25.

The square root of 3117625 is about 1765.6797557881. The cubic root of 3117625 is about 146.0857849519.

The spelling of 3117625 in words is "three million, one hundred seventeen thousand, six hundred twenty-five".