30027061 has 2 divisors, whose sum is σ = 30027062. Its totient is φ = 30027060.

The previous prime is 30027059. The next prime is 30027103. The reversal of 30027061 is 16072003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24690961 + 5336100 = 4969^2 + 2310^2 .

It is a cyclic number.

It is not a de Polignac number, because 30027061 - 2¹ = 30027059 is a prime.

Together with 30027059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30027001) 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, 15013530 + 15013531.

It is an arithmetic number, because the mean of its divisors is an integer number (15013531).

Almost surely, 2^30027061 is an apocalyptic number.

It is an amenable number.

30027061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30027061 is an equidigital number, since it uses as much as digits as its factorization.

30027061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 30027061 is about 5479.6953382465. The cubic root of 30027061 is about 310.8166500944.

Adding to 30027061 its reverse (16072003), we get a palindrome (46099064).

The spelling of 30027061 in words is "thirty million, twenty-seven thousand, sixty-one".