3187725 has 24 divisors (see below), whose sum is σ = 5550240. Its totient is φ = 1609920.

The previous prime is 3187703. The next prime is 3187733. The reversal of 3187725 is 5277813.

It is not a de Polignac number, because 3187725 - 2⁸ = 3187469 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 307 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (231260).

Almost surely, 2^3187725 is an apocalyptic number.

It is an amenable number.

3187725 is a deficient number, since it is larger than the sum of its proper divisors (2362515).

3187725 is a wasteful number, since it uses less digits than its factorization.

3187725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269 (or 2264 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 3187725 is about 1785.4201186275. The cubic root of 3187725 is about 147.1725956437.

The spelling of 3187725 in words is "three million, one hundred eighty-seven thousand, seven hundred twenty-five".