30485047 has 2 divisors, whose sum is σ = 30485048. Its totient is φ = 30485046.

The previous prime is 30485023. The next prime is 30485071. The reversal of 30485047 is 74058403.

It is a balanced prime because it is at equal distance from previous prime (30485023) and next prime (30485071).

It is a cyclic number.

It is not a de Polignac number, because 30485047 - 2⁷ = 30484919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30485087) 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, 15242523 + 15242524.

It is an arithmetic number, because the mean of its divisors is an integer number (15242524).

Almost surely, 2^30485047 is an apocalyptic number.

30485047 is a deficient number, since it is larger than the sum of its proper divisors (1).

30485047 is an equidigital number, since it uses as much as digits as its factorization.

30485047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 30485047 is about 5521.3265616154. The cubic root of 30485047 is about 312.3889209480.

The spelling of 30485047 in words is "thirty million, four hundred eighty-five thousand, forty-seven".