30368519 has 2 divisors, whose sum is σ = 30368520. Its totient is φ = 30368518.

The previous prime is 30368509. The next prime is 30368537. The reversal of 30368519 is 91586303.

It is a weak prime.

It is an emirp because it is prime and its reverse (91586303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30368519 - 2²⁰ = 29319943 is a prime.

It is a super-2 number, since 2×30368519² = 1844493892506722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30368509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15184259 + 15184260.

It is an arithmetic number, because the mean of its divisors is an integer number (15184260).

Almost surely, 2^30368519 is an apocalyptic number.

30368519 is a deficient number, since it is larger than the sum of its proper divisors (1).

30368519 is an equidigital number, since it uses as much as digits as its factorization.

30368519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 30368519 is about 5510.7639216355. The cubic root of 30368519 is about 311.9903808945.

The spelling of 30368519 in words is "thirty million, three hundred sixty-eight thousand, five hundred nineteen".