485541181 has 4 divisors (see below), whose sum is σ = 511096000. Its totient is φ = 459986364.

The previous prime is 485541179. The next prime is 485541197. The reversal of 485541181 is 181145584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 485541181 - 2¹ = 485541179 is a prime.

It is a super-2 number, since 2×485541181² = 471500476893749522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485541181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485541781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12777381 + ... + 12777418.

It is an arithmetic number, because the mean of its divisors is an integer number (127774000).

Almost surely, 2^485541181 is an apocalyptic number.

It is an amenable number.

485541181 is a deficient number, since it is larger than the sum of its proper divisors (25554819).

485541181 is a wasteful number, since it uses less digits than its factorization.

485541181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25554818.

The product of its digits is 25600, while the sum is 37.

The square root of 485541181 is about 22034.9990015884. Note that the first 3 decimals coincide. The cubic root of 485541181 is about 785.9749235008.

The spelling of 485541181 in words is "four hundred eighty-five million, five hundred forty-one thousand, one hundred eighty-one".