2525282821 has 2 divisors, whose sum is σ = 2525282822. Its totient is φ = 2525282820.

The previous prime is 2525282803. The next prime is 2525282873. The reversal of 2525282821 is 1282825252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2431870596 + 93412225 = 49314^2 + 9665^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525282821 - 2¹⁵ = 2525250053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525282021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262641410 + 1262641411.

It is an arithmetic number, because the mean of its divisors is an integer number (1262641411).

Almost surely, 2^2525282821 is an apocalyptic number.

It is an amenable number.

2525282821 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525282821 is an equidigital number, since it uses as much as digits as its factorization.

2525282821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51200, while the sum is 37.

The square root of 2525282821 is about 50252.1922009379. The cubic root of 2525282821 is about 1361.7686801275.

The spelling of 2525282821 in words is "two billion, five hundred twenty-five million, two hundred eighty-two thousand, eight hundred twenty-one".