5280809 has 2 divisors, whose sum is σ = 5280810. Its totient is φ = 5280808.

The previous prime is 5280799. The next prime is 5280817. The reversal of 5280809 is 9080825.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3312400 + 1968409 = 1820^2 + 1403^2 .

It is a cyclic number.

It is not a de Polignac number, because 5280809 - 2⁸ = 5280553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5280109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2640404 + 2640405.

It is an arithmetic number, because the mean of its divisors is an integer number (2640405).

Almost surely, 2^5280809 is an apocalyptic number.

It is an amenable number.

5280809 is a deficient number, since it is larger than the sum of its proper divisors (1).

5280809 is an equidigital number, since it uses as much as digits as its factorization.

5280809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 5280809 is about 2298.0010879023. The cubic root of 5280809 is about 174.1406468408.

The spelling of 5280809 in words is "five million, two hundred eighty thousand, eight hundred nine".