2056525019 has 2 divisors, whose sum is σ = 2056525020. Its totient is φ = 2056525018.

The previous prime is 2056524991. The next prime is 2056525049. The reversal of 2056525019 is 9105256502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2056525019 is a prime.

It is a super-2 number, since 2×2056525019² = 8458590307545900722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2056525019.

It is not a weakly prime, because it can be changed into another prime (2056525049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028262509 + 1028262510.

It is an arithmetic number, because the mean of its divisors is an integer number (1028262510).

Almost surely, 2^2056525019 is an apocalyptic number.

2056525019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056525019 is an equidigital number, since it uses as much as digits as its factorization.

2056525019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 2056525019 is about 45348.9252243093. The cubic root of 2056525019 is about 1271.6804627247.

The spelling of 2056525019 in words is "two billion, fifty-six million, five hundred twenty-five thousand, nineteen".