30564081 has 8 divisors (see below), whose sum is σ = 45280160. Its totient is φ = 20376036.

The previous prime is 30564077. The next prime is 30564097. The reversal of 30564081 is 18046503.

It is not a de Polignac number, because 30564081 - 2² = 30564077 is a prime.

It is a super-2 number, since 2×30564081² = 1868326094749122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1132003 = 30564081 / (3 + 0 + 5 + 6 + 4 + 0 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30564031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565975 + ... + 566028.

It is an arithmetic number, because the mean of its divisors is an integer number (5660020).

Almost surely, 2^30564081 is an apocalyptic number.

It is an amenable number.

30564081 is a deficient number, since it is larger than the sum of its proper divisors (14716079).

30564081 is a wasteful number, since it uses less digits than its factorization.

30564081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132012 (or 1132006 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 30564081 is about 5528.4790856075. The cubic root of 30564081 is about 312.6586492570.

The spelling of 30564081 in words is "thirty million, five hundred sixty-four thousand, eighty-one".