541584991 has 2 divisors, whose sum is σ = 541584992. Its totient is φ = 541584990.

The previous prime is 541584917. The next prime is 541585001. The reversal of 541584991 is 199485145.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 541584991 - 2⁷ = 541584863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541584191) 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 as a sum of consecutive naturals, namely, 270792495 + 270792496.

It is an arithmetic number, because the mean of its divisors is an integer number (270792496).

Almost surely, 2^541584991 is an apocalyptic number.

541584991 is a deficient number, since it is larger than the sum of its proper divisors (1).

541584991 is an equidigital number, since it uses as much as digits as its factorization.

541584991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 46.

The square root of 541584991 is about 23271.9786653391. The cubic root of 541584991 is about 815.1212340509.

The spelling of 541584991 in words is "five hundred forty-one million, five hundred eighty-four thousand, nine hundred ninety-one".