331443325 has 6 divisors (see below), whose sum is σ = 410989754. Its totient is φ = 265154640.

The previous prime is 331443323. The next prime is 331443331. The reversal of 331443325 is 523344133.

It can be written as a sum of positive squares in 3 ways, for example, as 1585081 + 329858244 = 1259^2 + 18162^2 .

It is not a de Polignac number, because 331443325 - 2¹ = 331443323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331443293 and 331443302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331443323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6628842 + ... + 6628891.

Almost surely, 2^331443325 is an apocalyptic number.

It is an amenable number.

331443325 is a deficient number, since it is larger than the sum of its proper divisors (79546429).

331443325 is a wasteful number, since it uses less digits than its factorization.

331443325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13257743 (or 13257738 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

The square root of 331443325 is about 18205.5849947207. The cubic root of 331443325 is about 692.0483311550.

Adding to 331443325 its reverse (523344133), we get a palindrome (854787458).

The spelling of 331443325 in words is "three hundred thirty-one million, four hundred forty-three thousand, three hundred twenty-five".