439541 has 2 divisors, whose sum is σ = 439542. Its totient is φ = 439540.

The previous prime is 439519. The next prime is 439559. The reversal of 439541 is 145934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271441 + 168100 = 521^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 439541 - 2¹⁰ = 438517 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 439541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219770 + 219771.

It is an arithmetic number, because the mean of its divisors is an integer number (219771).

2⁴³⁹⁵⁴¹ is an apocalyptic number.

It is an amenable number.

439541 is a deficient number, since it is larger than the sum of its proper divisors (1).

439541 is an equidigital number, since it uses as much as digits as its factorization.

439541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 439541 is about 662.9788835250. The cubic root of 439541 is about 76.0325922075.

The spelling of 439541 in words is "four hundred thirty-nine thousand, five hundred forty-one".