30242089 has 2 divisors, whose sum is σ = 30242090. Its totient is φ = 30242088.

The previous prime is 30242071. The next prime is 30242119. The reversal of 30242089 is 98024203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28090000 + 2152089 = 5300^2 + 1467^2 .

It is an emirp because it is prime and its reverse (98024203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30242089 - 2⁵ = 30242057 is a prime.

It is not a weakly prime, because it can be changed into another prime (30242039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121044 + 15121045.

It is an arithmetic number, because the mean of its divisors is an integer number (15121045).

Almost surely, 2^30242089 is an apocalyptic number.

It is an amenable number.

30242089 is a deficient number, since it is larger than the sum of its proper divisors (1).

30242089 is an equidigital number, since it uses as much as digits as its factorization.

30242089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 30242089 is about 5499.2807711554. The cubic root of 30242089 is about 311.5568199672.

It can be divided in two parts, 3024 and 2089, that multiplied together give a palindrome (6317136).

The spelling of 30242089 in words is "thirty million, two hundred forty-two thousand, eighty-nine".