2543284 has 6 divisors (see below), whose sum is σ = 4450754. Its totient is φ = 1271640.

The previous prime is 2543279. The next prime is 2543287. The reversal of 2543284 is 4823452.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 504100 = 1428^2 + 710^2 .

It is a d-powerful number, because it can be written as 2¹⁸ + 5⁸ + 4⁴ + 3¹³ + 2¹⁸ + 8⁵ + 4⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317907 + ... + 317914.

2^2543284 is an apocalyptic number.

It is an amenable number.

2543284 is a deficient number, since it is larger than the sum of its proper divisors (1907470).

2543284 is a wasteful number, since it uses less digits than its factorization.

2543284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635825 (or 635823 counting only the distinct ones).

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

The square root of 2543284 is about 1594.7676946816. The cubic root of 2543284 is about 136.4996757407.

The spelling of 2543284 in words is "two million, five hundred forty-three thousand, two hundred eighty-four".