320225 has 6 divisors (see below), whose sum is σ = 397110. Its totient is φ = 256160.

The previous prime is 320219. The next prime is 320237. The reversal of 320225 is 522023.

It can be written as a sum of positive squares in 3 ways, for example, as 7744 + 312481 = 88^2 + 559^2 .

It is not a de Polignac number, because 320225 - 2⁴ = 320209 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6380 + ... + 6429.

It is an arithmetic number, because the mean of its divisors is an integer number (66185).

2³²⁰²²⁵ is an apocalyptic number.

It is an amenable number.

320225 is a deficient number, since it is larger than the sum of its proper divisors (76885).

320225 is a wasteful number, since it uses less digits than its factorization.

320225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12819 (or 12814 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 320225 is about 565.8842637854. The cubic root of 320225 is about 68.4150651358.

Adding to 320225 its reverse (522023), we get a palindrome (842248).

It can be divided in two parts, 320 and 225, that added together give a palindrome (545).

The spelling of 320225 in words is "three hundred twenty thousand, two hundred twenty-five".