541426643 has 2 divisors, whose sum is σ = 541426644. Its totient is φ = 541426642.

The previous prime is 541426609. The next prime is 541426649. The reversal of 541426643 is 346624145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 541426643 - 2¹⁸ = 541164499 is a prime.

It is not a weakly prime, because it can be changed into another prime (541426649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270713321 + 270713322.

It is an arithmetic number, because the mean of its divisors is an integer number (270713322).

Almost surely, 2^541426643 is an apocalyptic number.

541426643 is a deficient number, since it is larger than the sum of its proper divisors (1).

541426643 is an equidigital number, since it uses as much as digits as its factorization.

541426643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 35.

The square root of 541426643 is about 23268.5762993785. The cubic root of 541426643 is about 815.0417849027.

The spelling of 541426643 in words is "five hundred forty-one million, four hundred twenty-six thousand, six hundred forty-three".