30450089 has 2 divisors, whose sum is σ = 30450090. Its totient is φ = 30450088.

The previous prime is 30450073. The next prime is 30450139. The reversal of 30450089 is 98005403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20178064 + 10272025 = 4492^2 + 3205^2 .

It is an emirp because it is prime and its reverse (98005403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30450089 - 2⁴ = 30450073 is a prime.

It is not a weakly prime, because it can be changed into another prime (30450019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15225044 + 15225045.

It is an arithmetic number, because the mean of its divisors is an integer number (15225045).

Almost surely, 2^30450089 is an apocalyptic number.

It is an amenable number.

30450089 is a deficient number, since it is larger than the sum of its proper divisors (1).

30450089 is an equidigital number, since it uses as much as digits as its factorization.

30450089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 30450089 is about 5518.1599288169. The cubic root of 30450089 is about 312.2694670965.

The spelling of 30450089 in words is "thirty million, four hundred fifty thousand, eighty-nine".