42495659 has 2 divisors, whose sum is σ = 42495660. Its totient is φ = 42495658.

The previous prime is 42495641. The next prime is 42495667. The reversal of 42495659 is 95659424.

42495659 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 42495659 - 2⁸ = 42495403 is a prime.

It is not a weakly prime, because it can be changed into another prime (42495689) 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, 21247829 + 21247830.

It is an arithmetic number, because the mean of its divisors is an integer number (21247830).

Almost surely, 2^42495659 is an apocalyptic number.

42495659 is a deficient number, since it is larger than the sum of its proper divisors (1).

42495659 is an equidigital number, since it uses as much as digits as its factorization.

42495659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The square root of 42495659 is about 6518.8694571988. The cubic root of 42495659 is about 348.9647203140.

The spelling of 42495659 in words is "forty-two million, four hundred ninety-five thousand, six hundred fifty-nine".