30184051 has 4 divisors (see below), whose sum is σ = 30199752. Its totient is φ = 30168352.

The previous prime is 30184031. The next prime is 30184087. The reversal of 30184051 is 15048103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30184051 - 2¹⁵ = 30151283 is a prime.

It is a super-2 number, since 2×30184051² = 1822153869541202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30184031) 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, 4486 + ... + 8971.

It is an arithmetic number, because the mean of its divisors is an integer number (7549938).

Almost surely, 2^30184051 is an apocalyptic number.

30184051 is the 4486-th pentagonal number.

30184051 is a deficient number, since it is larger than the sum of its proper divisors (15701).

30184051 is a wasteful number, since it uses less digits than its factorization.

30184051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15700.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 30184051 is about 5494.0013651254. The cubic root of 30184051 is about 311.3573880398.

The spelling of 30184051 in words is "thirty million, one hundred eighty-four thousand, fifty-one".