331025 has 6 divisors (see below), whose sum is σ = 410502. Its totient is φ = 264800.

The previous prime is 331013. The next prime is 331027. The reversal of 331025 is 520133.

It can be written as a sum of positive squares in 3 ways, for example, as 108241 + 222784 = 329^2 + 472^2 .

It is not a de Polignac number, because 331025 - 2¹⁴ = 314641 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 331025.

It is not an unprimeable number, because it can be changed into a prime (331027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6596 + ... + 6645.

It is an arithmetic number, because the mean of its divisors is an integer number (68417).

2³³¹⁰²⁵ is an apocalyptic number.

It is an amenable number.

331025 is a deficient number, since it is larger than the sum of its proper divisors (79477).

331025 is a wasteful number, since it uses less digits than its factorization.

331025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13251 (or 13246 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 331025 is about 575.3477209479. The cubic root of 331025 is about 69.1757056621.

Adding to 331025 its reverse (520133), we get a palindrome (851158).

The spelling of 331025 in words is "three hundred thirty-one thousand, twenty-five".