541724381 has 6 divisors (see below), whose sum is σ = 595449246. Its totient is φ = 492476600.

The previous prime is 541724299. The next prime is 541724401. The reversal of 541724381 is 183427145.

It can be written as a sum of positive squares in only one way, i.e., 479172100 + 62552281 = 21890^2 + 7909^2 .

It is not a de Polignac number, because 541724381 - 2¹⁴ = 541707997 is a prime.

It is a super-2 number, since 2×541724381² = 586930609939666322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541724081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2238410 + ... + 2238651.

It is an arithmetic number, because the mean of its divisors is an integer number (99241541).

Almost surely, 2^541724381 is an apocalyptic number.

It is an amenable number.

541724381 is a deficient number, since it is larger than the sum of its proper divisors (53724865).

541724381 is a wasteful number, since it uses less digits than its factorization.

541724381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4477083 (or 4477072 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 541724381 is about 23274.9732760319. The cubic root of 541724381 is about 815.1911584423.

The spelling of 541724381 in words is "five hundred forty-one million, seven hundred twenty-four thousand, three hundred eighty-one".