485130861 has 12 divisors (see below), whose sum is σ = 704618460. Its totient is φ = 321632640.

The previous prime is 485130839. The next prime is 485130871. The reversal of 485130861 is 168031584.

It can be written as a sum of positive squares in 2 ways, for example, as 243172836 + 241958025 = 15594^2 + 15555^2 .

It is not a de Polignac number, because 485130861 - 2⁵ = 485130829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485130871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147276 + ... + 150533.

It is an arithmetic number, because the mean of its divisors is an integer number (58718205).

Almost surely, 2^485130861 is an apocalyptic number.

It is an amenable number.

485130861 is a deficient number, since it is larger than the sum of its proper divisors (219487599).

485130861 is a wasteful number, since it uses less digits than its factorization.

485130861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297996 (or 297993 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 485130861 is about 22025.6863911207. The cubic root of 485130861 is about 785.7534578235.

The spelling of 485130861 in words is "four hundred eighty-five million, one hundred thirty thousand, eight hundred sixty-one".