39541 has 2 divisors, whose sum is σ = 39542. Its totient is φ = 39540.

The previous prime is 39521. The next prime is 39551. The reversal of 39541 is 14593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21316 + 18225 = 146^2 + 135^2 .

It is an emirp because it is prime and its reverse (14593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39541 - 2⁵ = 39509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19770 + 19771.

It is an arithmetic number, because the mean of its divisors is an integer number (19771).

2³⁹⁵⁴¹ is an apocalyptic number.

It is an amenable number.

39541 is a deficient number, since it is larger than the sum of its proper divisors (1).

39541 is an equidigital number, since it uses as much as digits as its factorization.

39541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 22.

The square root of 39541 is about 198.8491890856. The cubic root of 39541 is about 34.0682021989.

The spelling of 39541 in words is "thirty-nine thousand, five hundred forty-one".