2541078243 has 32 divisors (see below), whose sum is σ = 4163086080. Its totient is φ = 1518937920.

The previous prime is 2541078173. The next prime is 2541078271. The reversal of 2541078243 is 3428701452.

It is a happy number.

2541078243 is a `hidden beast` number, since 2 + 541 + 0 + 78 + 2 + 43 = 666.

It is not a de Polignac number, because 2541078243 - 2²⁸ = 2272642787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2541078198 and 2541078207.

It is not an unprimeable number, because it can be changed into a prime (2541078643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36921 + ... + 80282.

It is an arithmetic number, because the mean of its divisors is an integer number (130096440).

Almost surely, 2^2541078243 is an apocalyptic number.

2541078243 is a deficient number, since it is larger than the sum of its proper divisors (1622007837).

2541078243 is a wasteful number, since it uses less digits than its factorization.

2541078243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117296 (or 117290 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2541078243 is about 50409.1087304666. The cubic root of 2541078243 is about 1364.6020286496.

Adding to 2541078243 its reverse (3428701452), we get a palindrome (5969779695).

The spelling of 2541078243 in words is "two billion, five hundred forty-one million, seventy-eight thousand, two hundred forty-three".