2254509 has 6 divisors (see below), whose sum is σ = 3256526. Its totient is φ = 1503000.

The previous prime is 2254507. The next prime is 2254513. The reversal of 2254509 is 9054522.

2254509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 49284 = 1485^2 + 222^2 .

It is not a de Polignac number, because 2254509 - 2¹ = 2254507 is a prime.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 5⁷ + 4⁵ + 5⁷ + 0 + 9² .

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254501) 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 5 ways as a sum of consecutive naturals, for example, 125242 + ... + 125259.

2^2254509 is an apocalyptic number.

It is an amenable number.

2254509 is a deficient number, since it is larger than the sum of its proper divisors (1002017).

2254509 is a wasteful number, since it uses less digits than its factorization.

2254509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250507 (or 250504 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2254509 is about 1501.5022477506. The cubic root of 2254509 is about 131.1245440661.

The spelling of 2254509 in words is "two million, two hundred fifty-four thousand, five hundred nine".