42805203 has 32 divisors (see below), whose sum is σ = 68812800. Its totient is φ = 23150880.

The previous prime is 42805193. The next prime is 42805207. The reversal of 42805203 is 30250824.

It is not a de Polignac number, because 42805203 - 2⁸ = 42804947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42805207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29898 + ... + 31296.

It is an arithmetic number, because the mean of its divisors is an integer number (2150400).

Almost surely, 2^42805203 is an apocalyptic number.

42805203 is a deficient number, since it is larger than the sum of its proper divisors (26007597).

42805203 is a wasteful number, since it uses less digits than its factorization.

42805203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42805203 is about 6542.5685323121. The cubic root of 42805203 is about 349.8099730370.

The spelling of 42805203 in words is "forty-two million, eight hundred five thousand, two hundred three".