30104509 has 2 divisors, whose sum is σ = 30104510. Its totient is φ = 30104508.

The previous prime is 30104483. The next prime is 30104519. The reversal of 30104509 is 90540103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23328900 + 6775609 = 4830^2 + 2603^2 .

It is an emirp because it is prime and its reverse (90540103) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30104509 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30104509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30104519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15052254 + 15052255.

It is an arithmetic number, because the mean of its divisors is an integer number (15052255).

Almost surely, 2^30104509 is an apocalyptic number.

It is an amenable number.

30104509 is a deficient number, since it is larger than the sum of its proper divisors (1).

30104509 is an equidigital number, since it uses as much as digits as its factorization.

30104509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 30104509 is about 5486.7576035396. The cubic root of 30104509 is about 311.0836477127.

The spelling of 30104509 in words is "thirty million, one hundred four thousand, five hundred nine".