485487081 has 8 divisors (see below), whose sum is σ = 719240160. Its totient is φ = 323658036.

The previous prime is 485487073. The next prime is 485487089. The reversal of 485487081 is 180784584.

It is an interprime number because it is at equal distance from previous prime (485487073) and next prime (485487089).

It is not a de Polignac number, because 485487081 - 2³ = 485487073 is a prime.

It is a super-2 number, since 2×485487081² = 471395411635801122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (485487089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8990475 + ... + 8990528.

It is an arithmetic number, because the mean of its divisors is an integer number (89905020).

Almost surely, 2^485487081 is an apocalyptic number.

It is an amenable number.

485487081 is a deficient number, since it is larger than the sum of its proper divisors (233753079).

485487081 is a wasteful number, since it uses less digits than its factorization.

485487081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17981012 (or 17981006 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 485487081 is about 22033.7713748691. The cubic root of 485487081 is about 785.9457307674.

The spelling of 485487081 in words is "four hundred eighty-five million, four hundred eighty-seven thousand, eighty-one".