2232509 has 2 divisors, whose sum is σ = 2232510. Its totient is φ = 2232508.

The previous prime is 2232493. The next prime is 2232511. The reversal of 2232509 is 9052322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1951609 + 280900 = 1397^2 + 530^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232509 - 2⁴ = 2232493 is a prime.

It is a super-3 number, since 3×2232509³ = 33381120444558744687, which contains 333 as substring.

Together with 2232511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116254 + 1116255.

It is an arithmetic number, because the mean of its divisors is an integer number (1116255).

2^2232509 is an apocalyptic number.

It is an amenable number.

2232509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232509 is an equidigital number, since it uses as much as digits as its factorization.

2232509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2232509 is about 1494.1582914805. The cubic root of 2232509 is about 130.6966350058.

The spelling of 2232509 in words is "two million, two hundred thirty-two thousand, five hundred nine".