30274919 has 2 divisors, whose sum is σ = 30274920. Its totient is φ = 30274918.

The previous prime is 30274891. The next prime is 30274921. The reversal of 30274919 is 91947203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30274919 - 2⁸ = 30274663 is a prime.

It is a super-2 number, since 2×30274919² = 1833141440913122, which contains 22 as substring.

Together with 30274921, 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 (30274939) 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, 15137459 + 15137460.

It is an arithmetic number, because the mean of its divisors is an integer number (15137460).

Almost surely, 2^30274919 is an apocalyptic number.

30274919 is a deficient number, since it is larger than the sum of its proper divisors (1).

30274919 is an equidigital number, since it uses as much as digits as its factorization.

30274919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 30274919 is about 5502.2648972946. The cubic root of 30274919 is about 311.6695184363.

The spelling of 30274919 in words is "thirty million, two hundred seventy-four thousand, nine hundred nineteen".