63091243 has 2 divisors, whose sum is σ = 63091244. Its totient is φ = 63091242.

The previous prime is 63091181. The next prime is 63091261. The reversal of 63091243 is 34219036.

63091243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63091243 - 2¹⁷ = 62960171 is a prime.

It is not a weakly prime, because it can be changed into another prime (63091043) 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, 31545621 + 31545622.

It is an arithmetic number, because the mean of its divisors is an integer number (31545622).

Almost surely, 2^63091243 is an apocalyptic number.

63091243 is a deficient number, since it is larger than the sum of its proper divisors (1).

63091243 is an equidigital number, since it uses as much as digits as its factorization.

63091243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 63091243 is about 7942.9996223089. Note that the first 3 decimals coincide. The cubic root of 63091243 is about 398.0977239556.

The spelling of 63091243 in words is "sixty-three million, ninety-one thousand, two hundred forty-three".