42913733 has 2 divisors, whose sum is σ = 42913734. Its totient is φ = 42913732.

The previous prime is 42913727. The next prime is 42913771. The reversal of 42913733 is 33731924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34492129 + 8421604 = 5873^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 42913733 - 2²⁰ = 41865157 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42913733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42993733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21456866 + 21456867.

It is an arithmetic number, because the mean of its divisors is an integer number (21456867).

Almost surely, 2^42913733 is an apocalyptic number.

It is an amenable number.

42913733 is a deficient number, since it is larger than the sum of its proper divisors (1).

42913733 is an equidigital number, since it uses as much as digits as its factorization.

42913733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 32.

The square root of 42913733 is about 6550.8574247956. The cubic root of 42913733 is about 350.1053641963.

The spelling of 42913733 in words is "forty-two million, nine hundred thirteen thousand, seven hundred thirty-three".