2056632521 has 2 divisors, whose sum is σ = 2056632522. Its totient is φ = 2056632520.

The previous prime is 2056632503. The next prime is 2056632541. The reversal of 2056632521 is 1252366502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1835694025 + 220938496 = 42845^2 + 14864^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056632521 - 2¹⁸ = 2056370377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2056632541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028316260 + 1028316261.

It is an arithmetic number, because the mean of its divisors is an integer number (1028316261).

Almost surely, 2^2056632521 is an apocalyptic number.

It is an amenable number.

2056632521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056632521 is an equidigital number, since it uses as much as digits as its factorization.

2056632521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2056632521 is about 45350.1104849812. The cubic root of 2056632521 is about 1271.7026207842.

The spelling of 2056632521 in words is "two billion, fifty-six million, six hundred thirty-two thousand, five hundred twenty-one".