2543293078 has 4 divisors (see below), whose sum is σ = 3814939620. Its totient is φ = 1271646538.

The previous prime is 2543293073. The next prime is 2543293079. The reversal of 2543293078 is 8703923452.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543293073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635823268 + ... + 635823271.

It is an arithmetic number, because the mean of its divisors is an integer number (953734905).

Almost surely, 2^2543293078 is an apocalyptic number.

2543293078 is a deficient number, since it is larger than the sum of its proper divisors (1271646542).

2543293078 is a wasteful number, since it uses less digits than its factorization.

2543293078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271646541.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 2543293078 is about 50431.0725446128. The cubic root of 2543293078 is about 1364.9983814782.

The spelling of 2543293078 in words is "two billion, five hundred forty-three million, two hundred ninety-three thousand, seventy-eight".