30412247 has 2 divisors, whose sum is σ = 30412248. Its totient is φ = 30412246.

The previous prime is 30412237. The next prime is 30412253. The reversal of 30412247 is 74221403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30412247 - 2⁸ = 30411991 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30412237) 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, 15206123 + 15206124.

It is an arithmetic number, because the mean of its divisors is an integer number (15206124).

Almost surely, 2^30412247 is an apocalyptic number.

30412247 is a deficient number, since it is larger than the sum of its proper divisors (1).

30412247 is an equidigital number, since it uses as much as digits as its factorization.

30412247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 30412247 is about 5514.7300024571. The cubic root of 30412247 is about 312.1400553266.

The spelling of 30412247 in words is "thirty million, four hundred twelve thousand, two hundred forty-seven".