541706881 has 2 divisors, whose sum is σ = 541706882. Its totient is φ = 541706880.

The previous prime is 541706861. The next prime is 541706903. The reversal of 541706881 is 188607145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279558400 + 262148481 = 16720^2 + 16191^2 .

It is a cyclic number.

It is not a de Polignac number, because 541706881 - 2⁵ = 541706849 is a prime.

It is a super-4 number, since 4×541706881⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (541706821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270853440 + 270853441.

It is an arithmetic number, because the mean of its divisors is an integer number (270853441).

Almost surely, 2^541706881 is an apocalyptic number.

It is an amenable number.

541706881 is a deficient number, since it is larger than the sum of its proper divisors (1).

541706881 is an equidigital number, since it uses as much as digits as its factorization.

541706881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 541706881 is about 23274.5973327145. The cubic root of 541706881 is about 815.1823803013.

The spelling of 541706881 in words is "five hundred forty-one million, seven hundred six thousand, eight hundred eighty-one".