30566061 has 6 divisors (see below), whose sum is σ = 44150990. Its totient is φ = 20377368.

The previous prime is 30566047. The next prime is 30566069. The reversal of 30566061 is 16066503.

30566061 is a `hidden beast` number, since 3 + 0 + 56 + 606 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29909961 + 656100 = 5469^2 + 810^2 .

It is not a de Polignac number, because 30566061 - 2²³ = 22177453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30566069) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1698106 + ... + 1698123.

Almost surely, 2^30566061 is an apocalyptic number.

It is an amenable number.

30566061 is a deficient number, since it is larger than the sum of its proper divisors (13584929).

30566061 is a wasteful number, since it uses less digits than its factorization.

30566061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396235 (or 3396232 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 30566061 is about 5528.6581554659. The cubic root of 30566061 is about 312.6654006543.

It can be divided in two parts, 305 and 66061, that added together give a palindrome (66366).

The spelling of 30566061 in words is "thirty million, five hundred sixty-six thousand, sixty-one".