30185241 has 4 divisors (see below), whose sum is σ = 40246992. Its totient is φ = 20123492.

The previous prime is 30185231. The next prime is 30185257. The reversal of 30185241 is 14258103.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30185241 - 2⁵ = 30185209 is a prime.

It is a super-2 number, since 2×30185241² = 1822297548456162, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30185231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5030871 + ... + 5030876.

It is an arithmetic number, because the mean of its divisors is an integer number (10061748).

Almost surely, 2^30185241 is an apocalyptic number.

It is an amenable number.

30185241 is a deficient number, since it is larger than the sum of its proper divisors (10061751).

30185241 is a wasteful number, since it uses less digits than its factorization.

30185241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10061750.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 30185241 is about 5494.1096639947. The cubic root of 30185241 is about 311.3614797197.

The spelling of 30185241 in words is "thirty million, one hundred eighty-five thousand, two hundred forty-one".