805073 has 2 divisors, whose sum is σ = 805074. Its totient is φ = 805072.

The previous prime is 805067. The next prime is 805081. The reversal of 805073 is 370508.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795664 + 9409 = 892^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 805073 - 2¹² = 800977 is a prime.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805073.

It is not a weakly prime, because it can be changed into another prime (805033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402536 + 402537.

It is an arithmetic number, because the mean of its divisors is an integer number (402537).

2⁸⁰⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

805073 is a deficient number, since it is larger than the sum of its proper divisors (1).

805073 is an equidigital number, since it uses as much as digits as its factorization.

805073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 805073 is about 897.2586026336. The cubic root of 805073 is about 93.0275865285.

The spelling of 805073 in words is "eight hundred five thousand, seventy-three".