30664201 has 2 divisors, whose sum is σ = 30664202. Its totient is φ = 30664200.

The previous prime is 30664189. The next prime is 30664211. The reversal of 30664201 is 10246603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27510025 + 3154176 = 5245^2 + 1776^2 .

It is an emirp because it is prime and its reverse (10246603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30664201 - 2⁵ = 30664169 is a prime.

It is not a weakly prime, because it can be changed into another prime (30664211) 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, 15332100 + 15332101.

It is an arithmetic number, because the mean of its divisors is an integer number (15332101).

Almost surely, 2^30664201 is an apocalyptic number.

It is an amenable number.

30664201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30664201 is an equidigital number, since it uses as much as digits as its factorization.

30664201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30664201 is about 5537.5266139315. The cubic root of 30664201 is about 312.9996733657. Note that the first 3 decimals are identical.

The spelling of 30664201 in words is "thirty million, six hundred sixty-four thousand, two hundred one".