807281 has 2 divisors, whose sum is σ = 807282. Its totient is φ = 807280.

The previous prime is 807259. The next prime is 807299. The reversal of 807281 is 182708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 640000 + 167281 = 800^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 807281 - 2⁶ = 807217 is a prime.

It is a super-2 number, since 2×807281² = 1303405225922, which contains 22 as substring.

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 807281.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 807281.

It is not a weakly prime, because it can be changed into another prime (807221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403640 + 403641.

It is an arithmetic number, because the mean of its divisors is an integer number (403641).

2⁸⁰⁷²⁸¹ is an apocalyptic number.

It is an amenable number.

807281 is a deficient number, since it is larger than the sum of its proper divisors (1).

807281 is an equidigital number, since it uses as much as digits as its factorization.

807281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 807281 is about 898.4881746579. The cubic root of 807281 is about 93.1125549785.

Adding to 807281 its reverse (182708), we get a palindrome (989989).

The spelling of 807281 in words is "eight hundred seven thousand, two hundred eighty-one".