30000519 has 6 divisors (see below), whose sum is σ = 43334096. Its totient is φ = 20000340.

The previous prime is 30000511. The next prime is 30000521. The reversal of 30000519 is 91500003.

It is not a de Polignac number, because 30000519 - 2³ = 30000511 is a prime.

It is a super-2 number, since 2×30000519² = 1800062280538722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000511) 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 in 5 ways as a sum of consecutive naturals, for example, 1666687 + ... + 1666704.

Almost surely, 2^30000519 is an apocalyptic number.

30000519 is a deficient number, since it is larger than the sum of its proper divisors (13333577).

30000519 is a wasteful number, since it uses less digits than its factorization.

30000519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333397 (or 3333394 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 30000519 is about 5477.2729528480. The cubic root of 30000519 is about 310.7250424225.

The spelling of 30000519 in words is "thirty million, five hundred nineteen", and thus it is an aban number.