485889561 has 24 divisors (see below), whose sum is σ = 714003264. Its totient is φ = 318336480.

The previous prime is 485889541. The next prime is 485889581. The reversal of 485889561 is 165988584.

It is a happy number.

485889561 is a `hidden beast` number, since 4 + 8 + 588 + 9 + 56 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (485889541) and next prime (485889581).

It is not a de Polignac number, because 485889561 - 2¹⁴ = 485873177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 485889498 and 485889507.

It is not an unprimeable number, because it can be changed into a prime (485889511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 379855 + ... + 381131.

It is an arithmetic number, because the mean of its divisors is an integer number (29750136).

Almost surely, 2^485889561 is an apocalyptic number.

It is an amenable number.

485889561 is a deficient number, since it is larger than the sum of its proper divisors (228113703).

485889561 is a wasteful number, since it uses less digits than its factorization.

485889561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1978 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 485889561 is about 22042.9027353477. The cubic root of 485889561 is about 786.1628598295.

The spelling of 485889561 in words is "four hundred eighty-five million, eight hundred eighty-nine thousand, five hundred sixty-one".