873541 has 2 divisors, whose sum is σ = 873542. Its totient is φ = 873540.

The previous prime is 873539. The next prime is 873553. The reversal of 873541 is 145378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 125316 = 865^2 + 354^2 .

It is a cyclic number.

It is not a de Polignac number, because 873541 - 2¹ = 873539 is a prime.

Together with 873539, it forms a pair of twin primes.

It is equal to p₆₉₃₄₆ and since 873541 and 69346 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (873571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436770 + 436771.

It is an arithmetic number, because the mean of its divisors is an integer number (436771).

2⁸⁷³⁵⁴¹ is an apocalyptic number.

It is an amenable number.

873541 is a deficient number, since it is larger than the sum of its proper divisors (1).

873541 is an equidigital number, since it uses as much as digits as its factorization.

873541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 873541 is about 934.6341530246. The cubic root of 873541 is about 95.5933682952.

The spelling of 873541 in words is "eight hundred seventy-three thousand, five hundred forty-one".