42985063 has 4 divisors (see below), whose sum is σ = 46892808. Its totient is φ = 39077320.

The previous prime is 42985057. The next prime is 42985073. The reversal of 42985063 is 36058924.

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

It is a cyclic number.

It is not a de Polignac number, because 42985063 - 2²¹ = 40887911 is a prime.

It is a super-2 number, since 2×42985063² = 3695431282227938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42985073) 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, 1953856 + ... + 1953877.

It is an arithmetic number, because the mean of its divisors is an integer number (11723202).

Almost surely, 2^42985063 is an apocalyptic number.

42985063 is a deficient number, since it is larger than the sum of its proper divisors (3907745).

42985063 is a wasteful number, since it uses less digits than its factorization.

42985063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907744.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 42985063 is about 6556.2994898037. The cubic root of 42985063 is about 350.2992352500.

The spelling of 42985063 in words is "forty-two million, nine hundred eighty-five thousand, sixty-three".