30298481 has 2 divisors, whose sum is σ = 30298482. Its totient is φ = 30298480.

The previous prime is 30298459. The next prime is 30298487. The reversal of 30298481 is 18489203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28987456 + 1311025 = 5384^2 + 1145^2 .

It is an emirp because it is prime and its reverse (18489203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30298481 - 2¹⁴ = 30282097 is a prime.

It is a super-2 number, since 2×30298481² = 1835995901814722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30298487) 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, 15149240 + 15149241.

It is an arithmetic number, because the mean of its divisors is an integer number (15149241).

Almost surely, 2^30298481 is an apocalyptic number.

It is an amenable number.

30298481 is a deficient number, since it is larger than the sum of its proper divisors (1).

30298481 is an equidigital number, since it uses as much as digits as its factorization.

30298481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 30298481 is about 5504.4055991542. The cubic root of 30298481 is about 311.7503516053.

The spelling of 30298481 in words is "thirty million, two hundred ninety-eight thousand, four hundred eighty-one".