30664211 has 2 divisors, whose sum is σ = 30664212. Its totient is φ = 30664210.

The previous prime is 30664201. The next prime is 30664213. The reversal of 30664211 is 11246603.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11246603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30664211 - 2⁶ = 30664147 is a prime.

Together with 30664213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30664213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15332105 + 15332106.

It is an arithmetic number, because the mean of its divisors is an integer number (15332106).

Almost surely, 2^30664211 is an apocalyptic number.

30664211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30664211 is an equidigital number, since it uses as much as digits as its factorization.

30664211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30664211 is about 5537.5275168617. The cubic root of 30664211 is about 312.9997073902. Note that the first 3 decimals are identical.

The spelling of 30664211 in words is "thirty million, six hundred sixty-four thousand, two hundred eleven".