3240425 has 12 divisors (see below), whose sum is σ = 4042896. Its totient is φ = 2576400.

The previous prime is 3240409. The next prime is 3240449. The reversal of 3240425 is 5240423.

It is not a de Polignac number, because 3240425 - 2⁴ = 3240409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3240397 and 3240406.

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, 5390 + ... + 5960.

It is an arithmetic number, because the mean of its divisors is an integer number (336908).

Almost surely, 2^3240425 is an apocalyptic number.

It is an amenable number.

3240425 is a deficient number, since it is larger than the sum of its proper divisors (802471).

3240425 is a wasteful number, since it uses less digits than its factorization.

3240425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3240425 is about 1800.1180516844. The cubic root of 3240425 is about 147.9791941778.

Adding to 3240425 its reverse (5240423), we get a palindrome (8480848).

The spelling of 3240425 in words is "three million, two hundred forty thousand, four hundred twenty-five".