2102538287 has 2 divisors, whose sum is σ = 2102538288. Its totient is φ = 2102538286.

The previous prime is 2102538211. The next prime is 2102538289. The reversal of 2102538287 is 7828352012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2102538287 is a prime.

Together with 2102538289, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102538287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102538289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051269143 + 1051269144.

It is an arithmetic number, because the mean of its divisors is an integer number (1051269144).

Almost surely, 2^2102538287 is an apocalyptic number.

2102538287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102538287 is an equidigital number, since it uses as much as digits as its factorization.

2102538287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2102538287 is about 45853.4435675228. The cubic root of 2102538287 is about 1281.0949060509.

The spelling of 2102538287 in words is "two billion, one hundred two million, five hundred thirty-eight thousand, two hundred eighty-seven".