30530549 has 8 divisors (see below), whose sum is σ = 36728640. Its totient is φ = 24791616.

The previous prime is 30530543. The next prime is 30530551. The reversal of 30530549 is 94503503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30530549 is a prime.

It is a super-2 number, since 2×30530549² = 1864228844482802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30530543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114644 + ... + 114909.

It is an arithmetic number, because the mean of its divisors is an integer number (4591080).

Almost surely, 2^30530549 is an apocalyptic number.

It is an amenable number.

30530549 is a deficient number, since it is larger than the sum of its proper divisors (6198091).

30530549 is a wasteful number, since it uses less digits than its factorization.

30530549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229579.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 30530549 is about 5525.4455928911. The cubic root of 30530549 is about 312.5442676489.

The spelling of 30530549 in words is "thirty million, five hundred thirty thousand, five hundred forty-nine".