2056525789 has 2 divisors, whose sum is σ = 2056525790. Its totient is φ = 2056525788.

The previous prime is 2056525787. The next prime is 2056525799. The reversal of 2056525789 is 9875256502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1974024900 + 82500889 = 44430^2 + 9083^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056525789 - 2¹ = 2056525787 is a prime.

Together with 2056525787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056525787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028262894 + 1028262895.

It is an arithmetic number, because the mean of its divisors is an integer number (1028262895).

Almost surely, 2^2056525789 is an apocalyptic number.

It is an amenable number.

2056525789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056525789 is an equidigital number, since it uses as much as digits as its factorization.

2056525789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 2056525789 is about 45348.9337140357. The cubic root of 2056525789 is about 1271.6806214380.

The spelling of 2056525789 in words is "two billion, fifty-six million, five hundred twenty-five thousand, seven hundred eighty-nine".