541001 has 2 divisors, whose sum is σ = 541002. Its totient is φ = 541000.

The previous prime is 540989. The next prime is 541007. The reversal of 541001 is 100145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525625 + 15376 = 725^2 + 124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (541007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270500 + 270501.

It is an arithmetic number, because the mean of its divisors is an integer number (270501).

2⁵⁴¹⁰⁰¹ is an apocalyptic number.

It is an amenable number.

541001 is a deficient number, since it is larger than the sum of its proper divisors (1).

541001 is an equidigital number, since it uses as much as digits as its factorization.

541001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 541001 is about 735.5277017217. The cubic root of 541001 is about 81.4828146986.

Adding to 541001 its reverse (100145), we get a palindrome (641146).

The spelling of 541001 in words is "five hundred forty-one thousand, one".