30153225 has 12 divisors (see below), whose sum is σ = 49853456. Its totient is φ = 16081680.

The previous prime is 30153199. The next prime is 30153241. The reversal of 30153225 is 52235103.

It is not a de Polignac number, because 30153225 - 2¹³ = 30145033 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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200947 + ... + 201096.

Almost surely, 2^30153225 is an apocalyptic number.

It is an amenable number.

30153225 is a deficient number, since it is larger than the sum of its proper divisors (19700231).

30153225 is a wasteful number, since it uses less digits than its factorization.

30153225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402056 (or 402051 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 30153225 is about 5491.1952250853. The cubic root of 30153225 is about 311.2513588431.

Adding to 30153225 its reverse (52235103), we get a palindrome (82388328).

The spelling of 30153225 in words is "thirty million, one hundred fifty-three thousand, two hundred twenty-five".