3172425 has 12 divisors (see below), whose sum is σ = 5245200. Its totient is φ = 1691920.

The previous prime is 3172423. The next prime is 3172439. The reversal of 3172425 is 5242713.

It is not a de Polignac number, because 3172425 - 2¹ = 3172423 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3172395 and 3172404.

It is not an unprimeable number, because it can be changed into a prime (3172423) 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, 21075 + ... + 21224.

It is an arithmetic number, because the mean of its divisors is an integer number (437100).

Almost surely, 2^3172425 is an apocalyptic number.

It is an amenable number.

3172425 is a deficient number, since it is larger than the sum of its proper divisors (2072775).

3172425 is a wasteful number, since it uses less digits than its factorization.

3172425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42312 (or 42307 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 3172425 is about 1781.1302591332. The cubic root of 3172425 is about 146.9367583950.

The spelling of 3172425 in words is "three million, one hundred seventy-two thousand, four hundred twenty-five".