2543313026 has 4 divisors (see below), whose sum is σ = 3814969542. Its totient is φ = 1271656512.

The previous prime is 2543313011. The next prime is 2543313029. The reversal of 2543313026 is 6203133452.

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

It can be written as a sum of positive squares in only one way, i.e., 2467605625 + 75707401 = 49675^2 + 8701^2 .

It is a super-2 number, since 2×2543313026² = 12936882296442553352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2543313026.

It is not an unprimeable number, because it can be changed into a prime (2543313029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635828255 + ... + 635828258.

Almost surely, 2^2543313026 is an apocalyptic number.

2543313026 is a deficient number, since it is larger than the sum of its proper divisors (1271656516).

2543313026 is a wasteful number, since it uses less digits than its factorization.

2543313026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271656515.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 2543313026 is about 50431.2703191185. The cubic root of 2543313026 is about 1365.0019502000.

Adding to 2543313026 its reverse (6203133452), we get a palindrome (8746446478).

The spelling of 2543313026 in words is "two billion, five hundred forty-three million, three hundred thirteen thousand, twenty-six".