485791181 has 8 divisors (see below), whose sum is σ = 490593984. Its totient is φ = 480997440.

The previous prime is 485791169. The next prime is 485791193. The reversal of 485791181 is 181197584.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (485791169) and next prime (485791193).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 485791181 - 2¹⁴ = 485774797 is a prime.

It is a super-2 number, since 2×485791181² = 471986143074749522, which contains 22 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 (485791381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162026 + ... + 164996.

It is an arithmetic number, because the mean of its divisors is an integer number (61324248).

Almost surely, 2^485791181 is an apocalyptic number.

It is an amenable number.

485791181 is a deficient number, since it is larger than the sum of its proper divisors (4802803).

485791181 is a wasteful number, since it uses less digits than its factorization.

485791181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531.

The product of its digits is 80640, while the sum is 44.

The square root of 485791181 is about 22040.6710651014. The cubic root of 485791181 is about 786.1097970700.

The spelling of 485791181 in words is "four hundred eighty-five million, seven hundred ninety-one thousand, one hundred eighty-one".