2125523287 has 2 divisors, whose sum is σ = 2125523288. Its totient is φ = 2125523286.

The previous prime is 2125523233. The next prime is 2125523291. The reversal of 2125523287 is 7823255212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2125523287 - 2¹⁹ = 2124998999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125523207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062761643 + 1062761644.

It is an arithmetic number, because the mean of its divisors is an integer number (1062761644).

Almost surely, 2^2125523287 is an apocalyptic number.

2125523287 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125523287 is an equidigital number, since it uses as much as digits as its factorization.

2125523287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 2125523287 is about 46103.3977815085. The cubic root of 2125523287 is about 1285.7463175094.

Adding to 2125523287 its reverse (7823255212), we get a palindrome (9948778499).

The spelling of 2125523287 in words is "two billion, one hundred twenty-five million, five hundred twenty-three thousand, two hundred eighty-seven".