30564473 has 2 divisors, whose sum is σ = 30564474. Its totient is φ = 30564472.

The previous prime is 30564467. The next prime is 30564509. The reversal of 30564473 is 37446503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30382144 + 182329 = 5512^2 + 427^2 .

It is a cyclic number.

It is not a de Polignac number, because 30564473 - 2²⁰ = 29515897 is a prime.

It is not a weakly prime, because it can be changed into another prime (30564403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15282236 + 15282237.

It is an arithmetic number, because the mean of its divisors is an integer number (15282237).

Almost surely, 2^30564473 is an apocalyptic number.

It is an amenable number.

30564473 is a deficient number, since it is larger than the sum of its proper divisors (1).

30564473 is an equidigital number, since it uses as much as digits as its factorization.

30564473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 30564473 is about 5528.5145382824. The cubic root of 30564473 is about 312.6599859204.

The spelling of 30564473 in words is "thirty million, five hundred sixty-four thousand, four hundred seventy-three".