30180225 has 12 divisors (see below), whose sum is σ = 49898096. Its totient is φ = 16096080.

The previous prime is 30180221. The next prime is 30180229. The reversal of 30180225 is 52208103.

It is an interprime number because it is at equal distance from previous prime (30180221) and next prime (30180229).

It is not a de Polignac number, because 30180225 - 2² = 30180221 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30180221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201127 + ... + 201276.

Almost surely, 2^30180225 is an apocalyptic number.

It is an amenable number.

30180225 is a deficient number, since it is larger than the sum of its proper divisors (19717871).

30180225 is a wasteful number, since it uses less digits than its factorization.

30180225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402416 (or 402411 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 30180225 is about 5493.6531561430. The cubic root of 30180225 is about 311.3442320445.

Adding to 30180225 its reverse (52208103), we get a palindrome (82388328).

The spelling of 30180225 in words is "thirty million, one hundred eighty thousand, two hundred twenty-five".