2543120651 has 2 divisors, whose sum is σ = 2543120652. Its totient is φ = 2543120650.

The previous prime is 2543120641. The next prime is 2543120669. The reversal of 2543120651 is 1560213452.

2543120651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2543120651 is a prime.

It is not a weakly prime, because it can be changed into another prime (2543120641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271560325 + 1271560326.

It is an arithmetic number, because the mean of its divisors is an integer number (1271560326).

Almost surely, 2^2543120651 is an apocalyptic number.

2543120651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543120651 is an equidigital number, since it uses as much as digits as its factorization.

2543120651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2543120651 is about 50429.3629842773. The cubic root of 2543120651 is about 1364.9675332973.

The spelling of 2543120651 in words is "two billion, five hundred forty-three million, one hundred twenty thousand, six hundred fifty-one".