3231425 has 12 divisors (see below), whose sum is σ = 4218480. Its totient is φ = 2448720.

The previous prime is 3231421. The next prime is 3231427. The reversal of 3231425 is 5241323.

It is a happy number.

It is not a de Polignac number, because 3231425 - 2² = 3231421 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3231397 and 3231406.

It is not an unprimeable number, because it can be changed into a prime (3231421) 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, 2927 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (351540).

Almost surely, 2^3231425 is an apocalyptic number.

It is an amenable number.

3231425 is a deficient number, since it is larger than the sum of its proper divisors (987055).

3231425 is a wasteful number, since it uses less digits than its factorization.

3231425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6832 (or 6827 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 3231425 is about 1797.6164774501. The cubic root of 3231425 is about 147.8420673449.

Adding to 3231425 its reverse (5241323), we get a palindrome (8472748).

The spelling of 3231425 in words is "three million, two hundred thirty-one thousand, four hundred twenty-five".