2143502087 has 2 divisors, whose sum is σ = 2143502088. Its totient is φ = 2143502086.

The previous prime is 2143502071. The next prime is 2143502129. The reversal of 2143502087 is 7802053412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143502087 - 2⁴ = 2143502071 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143502057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071751043 + 1071751044.

It is an arithmetic number, because the mean of its divisors is an integer number (1071751044).

Almost surely, 2^2143502087 is an apocalyptic number.

2143502087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143502087 is an equidigital number, since it uses as much as digits as its factorization.

2143502087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2143502087 is about 46297.9706574705. The cubic root of 2143502087 is about 1289.3613181562.

Adding to 2143502087 its reverse (7802053412), we get a palindrome (9945555499).

The spelling of 2143502087 in words is "two billion, one hundred forty-three million, five hundred two thousand, eighty-seven".