30099491 has 2 divisors, whose sum is σ = 30099492. Its totient is φ = 30099490.

The previous prime is 30099457. The next prime is 30099493. The reversal of 30099491 is 19499003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30099491 - 2⁶ = 30099427 is a prime.

Together with 30099493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30099493) 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, 15049745 + 15049746.

It is an arithmetic number, because the mean of its divisors is an integer number (15049746).

Almost surely, 2^30099491 is an apocalyptic number.

30099491 is a deficient number, since it is larger than the sum of its proper divisors (1).

30099491 is an equidigital number, since it uses as much as digits as its factorization.

30099491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 30099491 is about 5486.3003016605. The cubic root of 30099491 is about 311.0663623233.

The spelling of 30099491 in words is "thirty million, ninety-nine thousand, four hundred ninety-one".