3425425 has 12 divisors (see below), whose sum is σ = 4276636. Its totient is φ = 2721600.

The previous prime is 3425419. The next prime is 3425431. The reversal of 3425425 is 5245243.

It is an interprime number because it is at equal distance from previous prime (3425419) and next prime (3425431).

It can be written as a sum of positive squares in 6 ways, for example, as 576081 + 2849344 = 759^2 + 1688^2 .

It is not a de Polignac number, because 3425425 - 2⁷ = 3425297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam number.

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 3425425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4147 + ... + 4903.

Almost surely, 2^3425425 is an apocalyptic number.

It is an amenable number.

3425425 is a deficient number, since it is larger than the sum of its proper divisors (851211).

3425425 is a wasteful number, since it uses less digits than its factorization.

3425425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 943 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 3425425 is about 1850.7903717061. The cubic root of 3425425 is about 150.7433471850.

The spelling of 3425425 in words is "three million, four hundred twenty-five thousand, four hundred twenty-five".