2105523227 has 2 divisors, whose sum is σ = 2105523228. Its totient is φ = 2105523226.

The previous prime is 2105523191. The next prime is 2105523239. The reversal of 2105523227 is 7223255012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2105523227 - 2²⁶ = 2038414363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2105523227.

It is not a weakly prime, because it can be changed into another prime (2105513227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052761613 + 1052761614.

It is an arithmetic number, because the mean of its divisors is an integer number (1052761614).

Almost surely, 2^2105523227 is an apocalyptic number.

2105523227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2105523227 is an equidigital number, since it uses as much as digits as its factorization.

2105523227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2105523227 is about 45885.9807239640. The cubic root of 2105523227 is about 1281.7008693697.

Adding to 2105523227 its reverse (7223255012), we get a palindrome (9328778239).

The spelling of 2105523227 in words is "two billion, one hundred five million, five hundred twenty-three thousand, two hundred twenty-seven".