2252509 has 8 divisors (see below), whose sum is σ = 2583680. Its totient is φ = 1923696.

The previous prime is 2252489. The next prime is 2252513. The reversal of 2252509 is 9052522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2252509 - 2⁵ = 2252477 is a prime.

It is an Ulam number.

It is a Duffinian number.

2252509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252519) 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 in 7 ways as a sum of consecutive naturals, for example, 2707 + ... + 3439.

It is an arithmetic number, because the mean of its divisors is an integer number (322960).

2^2252509 is an apocalyptic number.

It is an amenable number.

2252509 is a deficient number, since it is larger than the sum of its proper divisors (331171).

2252509 is an equidigital number, since it uses as much as digits as its factorization.

2252509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2252509 is about 1500.8361003121. The cubic root of 2252509 is about 131.0857585812.

The spelling of 2252509 in words is "two million, two hundred fifty-two thousand, five hundred nine".