3161625 has 16 divisors (see below), whose sum is σ = 5261568. Its totient is φ = 1686000.

The previous prime is 3161617. The next prime is 3161629. The reversal of 3161625 is 5261613.

It is not a de Polignac number, because 3161625 - 2³ = 3161617 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3161595 and 3161604.

It is not an unprimeable number, because it can be changed into a prime (3161629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3841 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (328848).

Almost surely, 2^3161625 is an apocalyptic number.

It is an amenable number.

3161625 is a deficient number, since it is larger than the sum of its proper divisors (2099943).

3161625 is an equidigital number, since it uses as much as digits as its factorization.

3161625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449 (or 8439 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 3161625 is about 1778.0958916774. The cubic root of 3161625 is about 146.7698281336.

The spelling of 3161625 in words is "three million, one hundred sixty-one thousand, six hundred twenty-five".