331603325 has 6 divisors (see below), whose sum is σ = 411188154. Its totient is φ = 265282640.

The previous prime is 331603319. The next prime is 331603331. The reversal of 331603325 is 523306133.

It is an interprime number because it is at equal distance from previous prime (331603319) and next prime (331603331).

It can be written as a sum of positive squares in 3 ways, for example, as 290521 + 331312804 = 539^2 + 18202^2 .

It is a de Polignac number, because none of the positive numbers 2^k-331603325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331603294 and 331603303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6632042 + ... + 6632091.

It is an arithmetic number, because the mean of its divisors is an integer number (68531359).

Almost surely, 2^331603325 is an apocalyptic number.

It is an amenable number.

331603325 is a deficient number, since it is larger than the sum of its proper divisors (79584829).

331603325 is a wasteful number, since it uses less digits than its factorization.

331603325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13264143 (or 13264138 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 331603325 is about 18209.9787204708. The cubic root of 331603325 is about 692.1596723828.

Adding to 331603325 its reverse (523306133), we get a palindrome (854909458).

The spelling of 331603325 in words is "three hundred thirty-one million, six hundred three thousand, three hundred twenty-five".