541391 has 2 divisors, whose sum is σ = 541392. Its totient is φ = 541390.

The previous prime is 541381. The next prime is 541417. The reversal of 541391 is 193145.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 541391 - 2¹⁰ = 540367 is a prime.

It is a Chen prime.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 270695 + 270696.

It is an arithmetic number, because the mean of its divisors is an integer number (270696).

2⁵⁴¹³⁹¹ is an apocalyptic number.

541391 is a deficient number, since it is larger than the sum of its proper divisors (1).

541391 is an equidigital number, since it uses as much as digits as its factorization.

541391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 23.

The square root of 541391 is about 735.7927697389. The cubic root of 541391 is about 81.5023899333.

The spelling of 541391 in words is "five hundred forty-one thousand, three hundred ninety-one".