42797159 has 2 divisors, whose sum is σ = 42797160. Its totient is φ = 42797158.

The previous prime is 42797149. The next prime is 42797191. The reversal of 42797159 is 95179724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42797159 - 2⁸ = 42796903 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42797149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21398579 + 21398580.

It is an arithmetic number, because the mean of its divisors is an integer number (21398580).

Almost surely, 2^42797159 is an apocalyptic number.

42797159 is a deficient number, since it is larger than the sum of its proper divisors (1).

42797159 is an equidigital number, since it uses as much as digits as its factorization.

42797159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 42797159 is about 6541.9537601545. The cubic root of 42797159 is about 349.7880594416.

It can be divided in two parts, 4279715 and 9, that added together give a palindrome (4279724).

The spelling of 42797159 in words is "forty-two million, seven hundred ninety-seven thousand, one hundred fifty-nine".