30025225 has 12 divisors (see below), whose sum is σ = 39191440. Its totient is φ = 22755600.

The previous prime is 30025217. The next prime is 30025231. The reversal of 30025225 is 52252003.

It is not a de Polignac number, because 30025225 - 2³ = 30025217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31131 + ... + 32080.

Almost surely, 2^30025225 is an apocalyptic number.

It is an amenable number.

30025225 is a deficient number, since it is larger than the sum of its proper divisors (9166215).

30025225 is a wasteful number, since it uses less digits than its factorization.

30025225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63240 (or 63235 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 30025225 is about 5479.5278081236. The cubic root of 30025225 is about 310.8103150199.

Adding to 30025225 its reverse (52252003), we get a palindrome (82277228).

The spelling of 30025225 in words is "thirty million, twenty-five thousand, two hundred twenty-five".