30040427 has 2 divisors, whose sum is σ = 30040428. Its totient is φ = 30040426.

The previous prime is 30040403. The next prime is 30040429. The reversal of 30040427 is 72404003.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30040427 - 2⁶ = 30040363 is a prime.

Together with 30040429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30040399 and 30040408.

It is not a weakly prime, because it can be changed into another prime (30040429) 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, 15020213 + 15020214.

It is an arithmetic number, because the mean of its divisors is an integer number (15020214).

Almost surely, 2^30040427 is an apocalyptic number.

30040427 is a deficient number, since it is larger than the sum of its proper divisors (1).

30040427 is an equidigital number, since it uses as much as digits as its factorization.

30040427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 30040427 is about 5480.9147959077. The cubic root of 30040427 is about 310.8627613791.

The spelling of 30040427 in words is "thirty million, forty thousand, four hundred twenty-seven".