2123525771 has 2 divisors, whose sum is σ = 2123525772. Its totient is φ = 2123525770.

The previous prime is 2123525737. The next prime is 2123525773. The reversal of 2123525771 is 1775253212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123525771 - 2¹⁸ = 2123263627 is a prime.

It is a super-2 number, since 2×2123525771² = 9018723400202288882, which contains 22 as substring.

Together with 2123525773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2123525773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061762885 + 1061762886.

It is an arithmetic number, because the mean of its divisors is an integer number (1061762886).

Almost surely, 2^2123525771 is an apocalyptic number.

2123525771 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123525771 is an equidigital number, since it uses as much as digits as its factorization.

2123525771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 35.

The square root of 2123525771 is about 46081.7292535773. The cubic root of 2123525771 is about 1285.3434200490.

Adding to 2123525771 its reverse (1775253212), we get a palindrome (3898778983).

The spelling of 2123525771 in words is "two billion, one hundred twenty-three million, five hundred twenty-five thousand, seven hundred seventy-one".