30514919 has 2 divisors, whose sum is σ = 30514920. Its totient is φ = 30514918.

The previous prime is 30514903. The next prime is 30514921. The reversal of 30514919 is 91941503.

It is a strong prime.

It is an emirp because it is prime and its reverse (91941503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30514919 - 2⁴ = 30514903 is a prime.

It is a super-2 number, since 2×30514919² = 1862320563153122, which contains 22 as substring.

Together with 30514921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30516919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15257459 + 15257460.

It is an arithmetic number, because the mean of its divisors is an integer number (15257460).

Almost surely, 2^30514919 is an apocalyptic number.

30514919 is a deficient number, since it is larger than the sum of its proper divisors (1).

30514919 is an equidigital number, since it uses as much as digits as its factorization.

30514919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 30514919 is about 5524.0310462560. The cubic root of 30514919 is about 312.4909232564.

The spelling of 30514919 in words is "thirty million, five hundred fourteen thousand, nine hundred nineteen".