2365009 has 2 divisors, whose sum is σ = 2365010. Its totient is φ = 2365008.

The previous prime is 2365007. The next prime is 2365049. The reversal of 2365009 is 9005632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1555009 + 810000 = 1247^2 + 900^2 .

It is a cyclic number.

It is not a de Polignac number, because 2365009 - 2¹ = 2365007 is a prime.

Together with 2365007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2365001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1182504 + 1182505.

It is an arithmetic number, because the mean of its divisors is an integer number (1182505).

2^2365009 is an apocalyptic number.

It is an amenable number.

2365009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2365009 is an equidigital number, since it uses as much as digits as its factorization.

2365009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 2365009 is about 1537.8585760726. The cubic root of 2365009 is about 133.2327317529.

The spelling of 2365009 in words is "two million, three hundred sixty-five thousand, nine".