331425 has 24 divisors (see below), whose sum is σ = 610080. Its totient is φ = 176400.

The previous prime is 331423. The next prime is 331447. The reversal of 331425 is 524133.

It is not a de Polignac number, because 331425 - 2¹ = 331423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331398 and 331407.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331425.

It is not an unprimeable number, because it can be changed into a prime (331423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430 + ... + 920.

It is an arithmetic number, because the mean of its divisors is an integer number (25420).

2³³¹⁴²⁵ is an apocalyptic number.

It is an amenable number.

331425 is a deficient number, since it is larger than the sum of its proper divisors (278655).

331425 is a wasteful number, since it uses less digits than its factorization.

331425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 499 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 331425 is about 575.6952318719. The cubic root of 331425 is about 69.2035576818.

Adding to 331425 its reverse (524133), we get a palindrome (855558).

The spelling of 331425 in words is "three hundred thirty-one thousand, four hundred twenty-five".