30225 has 24 divisors (see below), whose sum is σ = 55552. Its totient is φ = 14400.

The previous prime is 30223. The next prime is 30241. The reversal of 30225 is 52203.

It is not a de Polignac number, because 30225 - 2¹ = 30223 is a prime.

30225 is a lucky number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 30225.

It is not an unprimeable number, because it can be changed into a prime (30223) 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 23 ways as a sum of consecutive naturals, for example, 960 + ... + 990.

2³⁰²²⁵ is an apocalyptic number.

It is an amenable number.

30225 is a deficient number, since it is larger than the sum of its proper divisors (25327).

30225 is a wasteful number, since it uses less digits than its factorization.

30225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 30225 is about 173.8533865071. The cubic root of 30225 is about 31.1498124753.

Adding to 30225 its reverse (52203), we get a palindrome (82428).

The spelling of 30225 in words is "thirty thousand, two hundred twenty-five".