2543162087 has 2 divisors, whose sum is σ = 2543162088. Its totient is φ = 2543162086.

The previous prime is 2543162077. The next prime is 2543162131. The reversal of 2543162087 is 7802613452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2543162087 - 2⁴ = 2543162071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2543162087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543162077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271581043 + 1271581044.

It is an arithmetic number, because the mean of its divisors is an integer number (1271581044).

Almost surely, 2^2543162087 is an apocalyptic number.

2543162087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543162087 is an equidigital number, since it uses as much as digits as its factorization.

2543162087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2543162087 is about 50429.7738146821. The cubic root of 2543162087 is about 1364.9749465630.

The spelling of 2543162087 in words is "two billion, five hundred forty-three million, one hundred sixty-two thousand, eighty-seven".