47997043 has 2 divisors, whose sum is σ = 47997044. Its totient is φ = 47997042.

The previous prime is 47997023. The next prime is 47997049. The reversal of 47997043 is 34079974.

It is a happy number.

47997043 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 47997043 - 2²⁵ = 14442611 is a prime.

It is a super-2 number, since 2×47997043² = 4607432273487698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47997049) 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, 23998521 + 23998522.

It is an arithmetic number, because the mean of its divisors is an integer number (23998522).

Almost surely, 2^47997043 is an apocalyptic number.

47997043 is a deficient number, since it is larger than the sum of its proper divisors (1).

47997043 is an equidigital number, since it uses as much as digits as its factorization.

47997043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 47997043 is about 6927.9898238955. The cubic root of 47997043 is about 363.4166555999.

The spelling of 47997043 in words is "forty-seven million, nine hundred ninety-seven thousand, forty-three".