3137425 has 6 divisors (see below), whose sum is σ = 3890438. Its totient is φ = 2509920.

The previous prime is 3137399. The next prime is 3137447. The reversal of 3137425 is 5247313.

It can be written as a sum of positive squares in 3 ways, for example, as 408321 + 2729104 = 639^2 + 1652^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3137425 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 125497 = 3137425 / (3 + 1 + 3 + 7 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3137425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62724 + ... + 62773.

Almost surely, 2^3137425 is an apocalyptic number.

It is an amenable number.

3137425 is a deficient number, since it is larger than the sum of its proper divisors (753013).

3137425 is a wasteful number, since it uses less digits than its factorization.

3137425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125507 (or 125502 counting only the distinct ones).

The product of its digits is 2520, while the sum is 25.

The square root of 3137425 is about 1771.2777873614. The cubic root of 3137425 is about 146.3943955821.

The spelling of 3137425 in words is "three million, one hundred thirty-seven thousand, four hundred twenty-five".