485892561 has 48 divisors (see below), whose sum is σ = 832950272. Its totient is φ = 246486240.

The previous prime is 485892559. The next prime is 485892571. The reversal of 485892561 is 165298584.

It is not a de Polignac number, because 485892561 - 2¹ = 485892559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485892561.

It is not an unprimeable number, because it can be changed into a prime (485892551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107040 + ... + 111486.

Almost surely, 2^485892561 is an apocalyptic number.

It is an amenable number.

485892561 is a deficient number, since it is larger than the sum of its proper divisors (347057711).

485892561 is a wasteful number, since it uses less digits than its factorization.

485892561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522 (or 4511 counting only the distinct ones).

The product of its digits is 691200, while the sum is 48.

The square root of 485892561 is about 22042.9707843566. The cubic root of 485892561 is about 786.1644778129.

The spelling of 485892561 in words is "four hundred eighty-five million, eight hundred ninety-two thousand, five hundred sixty-one".