30148519 has 2 divisors, whose sum is σ = 30148520. Its totient is φ = 30148518.

The previous prime is 30148507. The next prime is 30148529. The reversal of 30148519 is 91584103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30148519 - 2¹¹ = 30146471 is a prime.

It is a super-2 number, since 2×30148519² = 1817866395786722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30148529) 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, 15074259 + 15074260.

It is an arithmetic number, because the mean of its divisors is an integer number (15074260).

Almost surely, 2^30148519 is an apocalyptic number.

30148519 is a deficient number, since it is larger than the sum of its proper divisors (1).

30148519 is an equidigital number, since it uses as much as digits as its factorization.

30148519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 30148519 is about 5490.7667042044. The cubic root of 30148519 is about 311.2351657151.

The spelling of 30148519 in words is "thirty million, one hundred forty-eight thousand, five hundred nineteen".