42947483 has 2 divisors, whose sum is σ = 42947484. Its totient is φ = 42947482.

The previous prime is 42947479. The next prime is 42947503. The reversal of 42947483 is 38474924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42947483 - 2² = 42947479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42947483.

It is not a weakly prime, because it can be changed into another prime (42947413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21473741 + 21473742.

It is an arithmetic number, because the mean of its divisors is an integer number (21473742).

Almost surely, 2^42947483 is an apocalyptic number.

42947483 is a deficient number, since it is larger than the sum of its proper divisors (1).

42947483 is an equidigital number, since it uses as much as digits as its factorization.

42947483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 42947483 is about 6553.4329171817. The cubic root of 42947483 is about 350.1971216124.

The spelling of 42947483 in words is "forty-two million, nine hundred forty-seven thousand, four hundred eighty-three".