3915425 has 12 divisors (see below), whose sum is σ = 5111280. Its totient is φ = 2967120.

The previous prime is 3915421. The next prime is 3915427. The reversal of 3915425 is 5245193.

It is not a de Polignac number, because 3915425 - 2² = 3915421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3915421) 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, 3647 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (425940).

Almost surely, 2^3915425 is an apocalyptic number.

It is an amenable number.

3915425 is a deficient number, since it is larger than the sum of its proper divisors (1195855).

3915425 is a wasteful number, since it uses less digits than its factorization.

3915425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8272 (or 8267 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 3915425 is about 1978.7432880493. The cubic root of 3915425 is about 157.6133390970.

The spelling of 3915425 in words is "three million, nine hundred fifteen thousand, four hundred twenty-five".