3181125 has 32 divisors (see below), whose sum is σ = 5616000. Its totient is φ = 1593600.

The previous prime is 3181111. The next prime is 3181163. The reversal of 3181125 is 5211813.

It is not a de Polignac number, because 3181125 - 2⁴ = 3181109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6126 + ... + 6624.

It is an arithmetic number, because the mean of its divisors is an integer number (175500).

Almost surely, 2^3181125 is an apocalyptic number.

It is an amenable number.

3181125 is a deficient number, since it is larger than the sum of its proper divisors (2434875).

3181125 is a wasteful number, since it uses less digits than its factorization.

3181125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 524 counting only the distinct ones).

The product of its digits is 240, while the sum is 21.

The square root of 3181125 is about 1783.5708564562. The cubic root of 3181125 is about 147.0709546855.

Adding to 3181125 its reverse (5211813), we get a palindrome (8392938).

The spelling of 3181125 in words is "three million, one hundred eighty-one thousand, one hundred twenty-five".