30336661 has 2 divisors, whose sum is σ = 30336662. Its totient is φ = 30336660.

The previous prime is 30336643. The next prime is 30336731. The reversal of 30336661 is 16663303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28291761 + 2044900 = 5319^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 30336661 - 2¹⁵ = 30303893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30336641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15168330 + 15168331.

It is an arithmetic number, because the mean of its divisors is an integer number (15168331).

Almost surely, 2^30336661 is an apocalyptic number.

It is an amenable number.

30336661 is a deficient number, since it is larger than the sum of its proper divisors (1).

30336661 is an equidigital number, since it uses as much as digits as its factorization.

30336661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 30336661 is about 5507.8726383242. The cubic root of 30336661 is about 311.8812452113.

Adding to 30336661 its reverse (16663303), we get a palindrome (46999964).

The spelling of 30336661 in words is "thirty million, three hundred thirty-six thousand, six hundred sixty-one".