3187425 has 12 divisors (see below), whose sum is σ = 5270000. Its totient is φ = 1699920.

The previous prime is 3187411. The next prime is 3187427. The reversal of 3187425 is 5247813.

It is not a de Polignac number, because 3187425 - 2⁸ = 3187169 is a prime.

3187425 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3187392 and 3187401.

It is not an unprimeable number, because it can be changed into a prime (3187427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21175 + ... + 21324.

Almost surely, 2^3187425 is an apocalyptic number.

It is an amenable number.

3187425 is a deficient number, since it is larger than the sum of its proper divisors (2082575).

3187425 is a wasteful number, since it uses less digits than its factorization.

3187425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42512 (or 42507 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 3187425 is about 1785.3361028109. The cubic root of 3187425 is about 147.1679786453.

The spelling of 3187425 in words is "three million, one hundred eighty-seven thousand, four hundred twenty-five".