541492181 has 4 divisors (see below), whose sum is σ = 550369164. Its totient is φ = 532615200.

The previous prime is 541492169. The next prime is 541492183. The reversal of 541492181 is 181294145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 181294145 = 5 ⋅36258829.

It can be written as a sum of positive squares in 2 ways, for example, as 41075281 + 500416900 = 6409^2 + 22370^2 .

It is a cyclic number.

It is not a de Polignac number, because 541492181 - 2⁶ = 541492117 is a prime.

It is a super-2 number, since 2×541492181² = 586427564168273522, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541492183) 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, 4438400 + ... + 4438521.

It is an arithmetic number, because the mean of its divisors is an integer number (137592291).

Almost surely, 2^541492181 is an apocalyptic number.

It is an amenable number.

541492181 is a deficient number, since it is larger than the sum of its proper divisors (8876983).

541492181 is an equidigital number, since it uses as much as digits as its factorization.

541492181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8876982.

The product of its digits is 11520, while the sum is 35.

The square root of 541492181 is about 23269.9845509188. The cubic root of 541492181 is about 815.0746696613.

The spelling of 541492181 in words is "five hundred forty-one million, four hundred ninety-two thousand, one hundred eighty-one".