2543248 has 20 divisors (see below), whose sum is σ = 5142528. Its totient is φ = 1216160.

The previous prime is 2543239. The next prime is 2543249. The reversal of 2543248 is 8423452.

It is a super-2 number, since 2×2543248² = 12936220779008, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 5⁹ + 4² + 3⁵ + 2¹⁹ + 4⁸ + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3088 + ... + 3823.

2^2543248 is an apocalyptic number.

It is an amenable number.

2543248 is an abundant number, since it is smaller than the sum of its proper divisors (2599280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543248 is a wasteful number, since it uses less digits than its factorization.

2543248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942 (or 6936 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 2543248 is about 1594.7564077313. The cubic root of 2543248 is about 136.4990316900.

The spelling of 2543248 in words is "two million, five hundred forty-three thousand, two hundred forty-eight".