485983591 has 4 divisors (see below), whose sum is σ = 486200232. Its totient is φ = 485766952.

The previous prime is 485983579. The next prime is 485983601. The reversal of 485983591 is 195389584.

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 485983591 - 2¹⁷ = 485852519 is a prime.

It is a super-3 number, since 3×485983591³ (a number of 27 digits) contains 333 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 (485983541) 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, 104920 + ... + 109453.

It is an arithmetic number, because the mean of its divisors is an integer number (121550058).

Almost surely, 2^485983591 is an apocalyptic number.

485983591 is a deficient number, since it is larger than the sum of its proper divisors (216641).

485983591 is a wasteful number, since it uses less digits than its factorization.

485983591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216640.

The product of its digits is 1555200, while the sum is 52.

The square root of 485983591 is about 22045.0355182295. The cubic root of 485983591 is about 786.2135696558.

The spelling of 485983591 in words is "four hundred eighty-five million, nine hundred eighty-three thousand, five hundred ninety-one".