2056524991 has 2 divisors, whose sum is σ = 2056524992. Its totient is φ = 2056524990.

The previous prime is 2056524979. The next prime is 2056525019. The reversal of 2056524991 is 1994256502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2056524991 - 2⁹ = 2056524479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056524941) 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, 1028262495 + 1028262496.

It is an arithmetic number, because the mean of its divisors is an integer number (1028262496).

Almost surely, 2^2056524991 is an apocalyptic number.

2056524991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056524991 is an equidigital number, since it uses as much as digits as its factorization.

2056524991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 2056524991 is about 45348.9249155920. The cubic root of 2056524991 is about 1271.6804569533.

The spelling of 2056524991 in words is "two billion, fifty-six million, five hundred twenty-four thousand, nine hundred ninety-one".