30266081 has 2 divisors, whose sum is σ = 30266082. Its totient is φ = 30266080.

The previous prime is 30266063. The next prime is 30266083. The reversal of 30266081 is 18066203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15673681 + 14592400 = 3959^2 + 3820^2 .

It is an emirp because it is prime and its reverse (18066203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30266081 - 2⁶ = 30266017 is a prime.

It is a super-2 number, since 2×30266081² = 1832071318197122, which contains 22 as substring.

Together with 30266083, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30266081.

It is not a weakly prime, because it can be changed into another prime (30266083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15133040 + 15133041.

It is an arithmetic number, because the mean of its divisors is an integer number (15133041).

Almost surely, 2^30266081 is an apocalyptic number.

It is an amenable number.

30266081 is a deficient number, since it is larger than the sum of its proper divisors (1).

30266081 is an equidigital number, since it uses as much as digits as its factorization.

30266081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 30266081 is about 5501.4617148536. The cubic root of 30266081 is about 311.6391874629.

The spelling of 30266081 in words is "thirty million, two hundred sixty-six thousand, eighty-one".