541818729 has 9 divisors (see below), whose sum is σ = 782727933. Its totient is φ = 361165932.

The previous prime is 541818727. The next prime is 541818757. The reversal of 541818729 is 927818145.

The square root of 541818729 is 23277.

It is a perfect power (a square), and thus also a powerful number.

541818729 is a `hidden beast` number, since 541 + 8 + 1 + 87 + 29 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 541818729 - 2¹ = 541818727 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (541818721) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65952 + ... + 73710.

Almost surely, 2^541818729 is an apocalyptic number.

541818729 is the 23277-th square number.

541818729 is the 11639-th centered octagonal number.

It is an amenable number.

541818729 is a deficient number, since it is larger than the sum of its proper divisors (240909204).

541818729 is an frugal number, since it uses more digits than its factorization.

541818729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15524 (or 7762 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The cubic root of 541818729 is about 815.2384809021.

The spelling of 541818729 in words is "five hundred forty-one million, eight hundred eighteen thousand, seven hundred twenty-nine".