2543506151 has 2 divisors, whose sum is σ = 2543506152. Its totient is φ = 2543506150.

The previous prime is 2543506013. The next prime is 2543506157. The reversal of 2543506151 is 1516053452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2543506151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543506157) 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 as a sum of consecutive naturals, namely, 1271753075 + 1271753076.

It is an arithmetic number, because the mean of its divisors is an integer number (1271753076).

Almost surely, 2^2543506151 is an apocalyptic number.

2543506151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543506151 is an equidigital number, since it uses as much as digits as its factorization.

2543506151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2543506151 is about 50433.1850174069. The cubic root of 2543506151 is about 1365.0364995361.

The spelling of 2543506151 in words is "two billion, five hundred forty-three million, five hundred six thousand, one hundred fifty-one".