541381 has 2 divisors, whose sum is σ = 541382. Its totient is φ = 541380.

The previous prime is 541369. The next prime is 541391. The reversal of 541381 is 183145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 1156 = 735^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 541381 - 2⁵ = 541349 is a prime.

It is a super-2 number, since 2×541381² = 586186774322, which contains 22 as substring.

541381 is a lucky number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270690 + 270691.

It is an arithmetic number, because the mean of its divisors is an integer number (270691).

2⁵⁴¹³⁸¹ is an apocalyptic number.

It is an amenable number.

541381 is a deficient number, since it is larger than the sum of its proper divisors (1).

541381 is an equidigital number, since it uses as much as digits as its factorization.

541381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 541381 is about 735.7859743159. The cubic root of 541381 is about 81.5018881217.

The spelling of 541381 in words is "five hundred forty-one thousand, three hundred eighty-one".