2536309 has 2 divisors, whose sum is σ = 2536310. Its totient is φ = 2536308.

The previous prime is 2536307. The next prime is 2536343. The reversal of 2536309 is 9036352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2490084 + 46225 = 1578^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 2536309 - 2¹ = 2536307 is a prime.

Together with 2536307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2536307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268154 + 1268155.

It is an arithmetic number, because the mean of its divisors is an integer number (1268155).

2^2536309 is an apocalyptic number.

It is an amenable number.

2536309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2536309 is an equidigital number, since it uses as much as digits as its factorization.

2536309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 2536309 is about 1592.5793543808. The cubic root of 2536309 is about 136.3747772581.

The spelling of 2536309 in words is "two million, five hundred thirty-six thousand, three hundred nine".