2249543 has 8 divisors (see below), whose sum is σ = 2383920. Its totient is φ = 2116800.

The previous prime is 2249537. The next prime is 2249557. The reversal of 2249543 is 3459422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2249543 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁵ + 4⁴ + 9 + 5⁹ + 4⁹ + 3⁶ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3443 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (297990).

2^2249543 is an apocalyptic number.

2249543 is a deficient number, since it is larger than the sum of its proper divisors (134377).

2249543 is a wasteful number, since it uses less digits than its factorization.

2249543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817.

The product of its digits is 8640, while the sum is 29.

The square root of 2249543 is about 1499.8476589307. The cubic root of 2249543 is about 131.0281974148.

The spelling of 2249543 in words is "two million, two hundred forty-nine thousand, five hundred forty-three".