30547013 has 8 divisors (see below), whose sum is σ = 36428928. Its totient is φ = 25044624.

The previous prime is 30547007. The next prime is 30547043. The reversal of 30547013 is 31074503.

It is a happy number.

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-30547013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30547013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30547043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94706 + ... + 95027.

It is an arithmetic number, because the mean of its divisors is an integer number (4553616).

Almost surely, 2^30547013 is an apocalyptic number.

It is an amenable number.

30547013 is a deficient number, since it is larger than the sum of its proper divisors (5881915).

30547013 is a wasteful number, since it uses less digits than its factorization.

30547013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189763.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 30547013 is about 5526.9352266876. The cubic root of 30547013 is about 312.6004387551.

The spelling of 30547013 in words is "thirty million, five hundred forty-seven thousand, thirteen".