541397181 has 16 divisors (see below), whose sum is σ = 823120704. Its totient is φ = 313569024.

The previous prime is 541397179. The next prime is 541397203. The reversal of 541397181 is 181793145.

It is not a de Polignac number, because 541397181 - 2¹ = 541397179 is a prime.

It is a super-2 number, since 2×541397181² = 586221815189493522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541397141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407631 + ... + 408956.

It is an arithmetic number, because the mean of its divisors is an integer number (51445044).

Almost surely, 2^541397181 is an apocalyptic number.

541397181 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

541397181 is a deficient number, since it is larger than the sum of its proper divisors (281723523).

541397181 is a wasteful number, since it uses less digits than its factorization.

541397181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816620.

The product of its digits is 30240, while the sum is 39.

The square root of 541397181 is about 23267.9432051911. The cubic root of 541397181 is about 815.0270009999.

The spelling of 541397181 in words is "five hundred forty-one million, three hundred ninety-seven thousand, one hundred eighty-one".