3135725 has 6 divisors (see below), whose sum is σ = 3888330. Its totient is φ = 2508560.

The previous prime is 3135709. The next prime is 3135731. The reversal of 3135725 is 5275313.

It can be written as a sum of positive squares in 3 ways, for example, as 27556 + 3108169 = 166^2 + 1763^2 .

It is not a de Polignac number, because 3135725 - 2⁴ = 3135709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3135694 and 3135703.

It is a congruent number.

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, 62690 + ... + 62739.

It is an arithmetic number, because the mean of its divisors is an integer number (648055).

Almost surely, 2^3135725 is an apocalyptic number.

It is an amenable number.

3135725 is a deficient number, since it is larger than the sum of its proper divisors (752605).

3135725 is a wasteful number, since it uses less digits than its factorization.

3135725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125439 (or 125434 counting only the distinct ones).

The product of its digits is 3150, while the sum is 26.

The square root of 3135725 is about 1770.7978427816. The cubic root of 3135725 is about 146.3679497509.

The spelling of 3135725 in words is "three million, one hundred thirty-five thousand, seven hundred twenty-five".