2509223 has 4 divisors (see below), whose sum is σ = 2515128. Its totient is φ = 2503320.

The previous prime is 2509219. The next prime is 2509237. The reversal of 2509223 is 3229052.

2509223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2509223 - 2² = 2509219 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 5⁹ + 0 + 9² + 2¹³ + 2¹³ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2509253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2261 + ... + 3182.

It is an arithmetic number, because the mean of its divisors is an integer number (628782).

2^2509223 is an apocalyptic number.

2509223 is a deficient number, since it is larger than the sum of its proper divisors (5905).

2509223 is an equidigital number, since it uses as much as digits as its factorization.

2509223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904.

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

The square root of 2509223 is about 1584.0527137693. The cubic root of 2509223 is about 135.8875764975.

The spelling of 2509223 in words is "two million, five hundred nine thousand, two hundred twenty-three".