3913125 has 20 divisors (see below), whose sum is σ = 6522912. Its totient is φ = 2086000.

The previous prime is 3913121. The next prime is 3913127. The reversal of 3913125 is 5213193.

It is a happy number.

It is not a de Polignac number, because 3913125 - 2² = 3913121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3913095 and 3913104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 832 + ... + 2918.

Almost surely, 2^3913125 is an apocalyptic number.

It is an amenable number.

3913125 is a deficient number, since it is larger than the sum of its proper divisors (2609787).

3913125 is an equidigital number, since it uses as much as digits as its factorization.

3913125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2095 counting only the distinct ones).

The product of its digits is 810, while the sum is 24.

The square root of 3913125 is about 1978.1620257198. The cubic root of 3913125 is about 157.5824712955.

The spelling of 3913125 in words is "three million, nine hundred thirteen thousand, one hundred twenty-five".