42475983 has 16 divisors (see below), whose sum is σ = 63777792. Its totient is φ = 24912000.

The previous prime is 42475969. The next prime is 42475987. The reversal of 42475983 is 38957424.

It is not a de Polignac number, because 42475983 - 2⁴ = 42475967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42475987) 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 15 ways as a sum of consecutive naturals, for example, 19738 + ... + 21783.

It is an arithmetic number, because the mean of its divisors is an integer number (3986112).

Almost surely, 2^42475983 is an apocalyptic number.

42475983 is a deficient number, since it is larger than the sum of its proper divisors (21301809).

42475983 is a wasteful number, since it uses less digits than its factorization.

42475983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41566.

The product of its digits is 241920, while the sum is 42.

The square root of 42475983 is about 6517.3601250813. The cubic root of 42475983 is about 348.9108537153.

The spelling of 42475983 in words is "forty-two million, four hundred seventy-five thousand, nine hundred eighty-three".