541906439 has 2 divisors, whose sum is σ = 541906440. Its totient is φ = 541906438.

The previous prime is 541906367. The next prime is 541906513. The reversal of 541906439 is 934609145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 541906439 - 2¹⁶ = 541840903 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 541906396 and 541906405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541906139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270953219 + 270953220.

It is an arithmetic number, because the mean of its divisors is an integer number (270953220).

Almost surely, 2^541906439 is an apocalyptic number.

541906439 is a deficient number, since it is larger than the sum of its proper divisors (1).

541906439 is an equidigital number, since it uses as much as digits as its factorization.

541906439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 541906439 is about 23278.8839723901. The cubic root of 541906439 is about 815.2824689897.

The spelling of 541906439 in words is "five hundred forty-one million, nine hundred six thousand, four hundred thirty-nine".