2543041274 has 4 divisors (see below), whose sum is σ = 3814561914. Its totient is φ = 1271520636.

The previous prime is 2543041273. The next prime is 2543041297. The reversal of 2543041274 is 4721403452.

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., 2540865649 + 2175625 = 50407^2 + 1475^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2543041274.

It is not an unprimeable number, because it can be changed into a prime (2543041273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635760317 + ... + 635760320.

Almost surely, 2^2543041274 is an apocalyptic number.

2543041274 is a deficient number, since it is larger than the sum of its proper divisors (1271520640).

2543041274 is a wasteful number, since it uses less digits than its factorization.

2543041274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271520639.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2543041274 is about 50428.5759664102. The cubic root of 2543041274 is about 1364.9533318273.

The spelling of 2543041274 in words is "two billion, five hundred forty-three million, forty-one thousand, two hundred seventy-four".