42085959 has 4 divisors (see below), whose sum is σ = 56114616. Its totient is φ = 28057304.

The previous prime is 42085957. The next prime is 42085961. The reversal of 42085959 is 95958024.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42085957) and next prime (42085961).

It is a cyclic number.

It is not a de Polignac number, because 42085959 - 2¹ = 42085957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42085959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42085951) 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 in 3 ways as a sum of consecutive naturals, for example, 7014324 + ... + 7014329.

It is an arithmetic number, because the mean of its divisors is an integer number (14028654).

Almost surely, 2^42085959 is an apocalyptic number.

42085959 is a deficient number, since it is larger than the sum of its proper divisors (14028657).

42085959 is a wasteful number, since it uses less digits than its factorization.

42085959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14028656.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 42085959 is about 6487.3691894326. The cubic root of 42085959 is about 347.8396423959.

The spelling of 42085959 in words is "forty-two million, eighty-five thousand, nine hundred fifty-nine".