30964273 has 2 divisors, whose sum is σ = 30964274. Its totient is φ = 30964272.

The previous prime is 30964261. The next prime is 30964289. The reversal of 30964273 is 37246903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16916769 + 14047504 = 4113^2 + 3748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30964273 is a prime.

It is not a weakly prime, because it can be changed into another prime (30964223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15482136 + 15482137.

It is an arithmetic number, because the mean of its divisors is an integer number (15482137).

Almost surely, 2^30964273 is an apocalyptic number.

It is an amenable number.

30964273 is a deficient number, since it is larger than the sum of its proper divisors (1).

30964273 is an equidigital number, since it uses as much as digits as its factorization.

30964273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 30964273 is about 5564.5550585829. Note that the first 3 decimals coincide. The cubic root of 30964273 is about 314.0173391645.

Adding to 30964273 its product of nonzero digits (27216), we get a square (30991489 = 5567²).

The spelling of 30964273 in words is "thirty million, nine hundred sixty-four thousand, two hundred seventy-three".