42050585 has 4 divisors (see below), whose sum is σ = 50460708. Its totient is φ = 33640464.

The previous prime is 42050579. The next prime is 42050587. The reversal of 42050585 is 58505024.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18421264 + 23629321 = 4292^2 + 4861^2 .

It is a cyclic number.

It is not a de Polignac number, because 42050585 - 2⁶ = 42050521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42050587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4205054 + ... + 4205063.

It is an arithmetic number, because the mean of its divisors is an integer number (12615177).

Almost surely, 2^42050585 is an apocalyptic number.

It is an amenable number.

42050585 is a deficient number, since it is larger than the sum of its proper divisors (8410123).

42050585 is an equidigital number, since it uses as much as digits as its factorization.

42050585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410122.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 42050585 is about 6484.6422414810. The cubic root of 42050585 is about 347.7421599354.

The spelling of 42050585 in words is "forty-two million, fifty thousand, five hundred eighty-five".