5260009 has 2 divisors, whose sum is σ = 5260010. Its totient is φ = 5260008.

The previous prime is 5260007. The next prime is 5260051. The reversal of 5260009 is 9000625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3504384 + 1755625 = 1872^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 5260009 - 2¹ = 5260007 is a prime.

Together with 5260007, it forms a pair of twin primes.

5260009 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5260001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630004 + 2630005.

It is an arithmetic number, because the mean of its divisors is an integer number (2630005).

Almost surely, 2^5260009 is an apocalyptic number.

It is an amenable number.

5260009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5260009 is an equidigital number, since it uses as much as digits as its factorization.

5260009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 5260009 is about 2293.4709503283. The cubic root of 5260009 is about 173.9117114961.

The spelling of 5260009 in words is "five million, two hundred sixty thousand, nine".