30206047 has 2 divisors, whose sum is σ = 30206048. Its totient is φ = 30206046.

The previous prime is 30206039. The next prime is 30206063. The reversal of 30206047 is 74060203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30206047 - 2³ = 30206039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30206087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15103023 + 15103024.

It is an arithmetic number, because the mean of its divisors is an integer number (15103024).

Almost surely, 2^30206047 is an apocalyptic number.

30206047 is a deficient number, since it is larger than the sum of its proper divisors (1).

30206047 is an equidigital number, since it uses as much as digits as its factorization.

30206047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 30206047 is about 5496.0028202322. The cubic root of 30206047 is about 311.4330014179.

The spelling of 30206047 in words is "thirty million, two hundred six thousand, forty-seven".