805741 has 2 divisors, whose sum is σ = 805742. Its totient is φ = 805740.

The previous prime is 805729. The next prime is 805757. The reversal of 805741 is 147508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 756900 + 48841 = 870^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 805741 - 2¹³ = 797549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402870 + 402871.

It is an arithmetic number, because the mean of its divisors is an integer number (402871).

2⁸⁰⁵⁷⁴¹ is an apocalyptic number.

It is an amenable number.

805741 is a deficient number, since it is larger than the sum of its proper divisors (1).

805741 is an equidigital number, since it uses as much as digits as its factorization.

805741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 805741 is about 897.6307704173. The cubic root of 805741 is about 93.0533089365.

The spelling of 805741 in words is "eight hundred five thousand, seven hundred forty-one".