541401001 has 2 divisors, whose sum is σ = 541401002. Its totient is φ = 541401000.

The previous prime is 541400999. The next prime is 541401011. The reversal of 541401001 is 100104145.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301925376 + 239475625 = 17376^2 + 15475^2 .

It is a cyclic number.

It is not a de Polignac number, because 541401001 - 2¹ = 541400999 is a prime.

Together with 541400999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (541401011) 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 as a sum of consecutive naturals, namely, 270700500 + 270700501.

It is an arithmetic number, because the mean of its divisors is an integer number (270700501).

Almost surely, 2^541401001 is an apocalyptic number.

It is an amenable number.

541401001 is a deficient number, since it is larger than the sum of its proper divisors (1).

541401001 is an equidigital number, since it uses as much as digits as its factorization.

541401001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 541401001 is about 23268.0252922331. The cubic root of 541401001 is about 815.0289178894.

Adding to 541401001 its reverse (100104145), we get a palindrome (641505146).

The spelling of 541401001 in words is "five hundred forty-one million, four hundred one thousand, one".