42793193 has 2 divisors, whose sum is σ = 42793194. Its totient is φ = 42793192.

The previous prime is 42793169. The next prime is 42793211. The reversal of 42793193 is 39139724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26081449 + 16711744 = 5107^2 + 4088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42793193 is a prime.

It is not a weakly prime, because it can be changed into another prime (42793103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21396596 + 21396597.

It is an arithmetic number, because the mean of its divisors is an integer number (21396597).

Almost surely, 2^42793193 is an apocalyptic number.

It is an amenable number.

42793193 is a deficient number, since it is larger than the sum of its proper divisors (1).

42793193 is an equidigital number, since it uses as much as digits as its factorization.

42793193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 42793193 is about 6541.6506326767. The cubic root of 42793193 is about 349.7772541893. Note that the first 3 decimals are identical.

The spelling of 42793193 in words is "forty-two million, seven hundred ninety-three thousand, one hundred ninety-three".