1056565049 has 2 divisors, whose sum is σ = 1056565050. Its totient is φ = 1056565048.

The previous prime is 1056564983. The next prime is 1056565057. The reversal of 1056565049 is 9405656501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 824551225 + 232013824 = 28715^2 + 15232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056565049 - 2¹⁶ = 1056499513 is a prime.

It is a super-2 number, since 2×1056565049² = 2232659405536744802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1056564997 and 1056565015.

It is not a weakly prime, because it can be changed into another prime (1056564049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528282524 + 528282525.

It is an arithmetic number, because the mean of its divisors is an integer number (528282525).

Almost surely, 2^1056565049 is an apocalyptic number.

It is an amenable number.

1056565049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056565049 is an equidigital number, since it uses as much as digits as its factorization.

1056565049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 1056565049 is about 32504.8465463229. The cubic root of 1056565049 is about 1018.5102721008.

The spelling of 1056565049 in words is "one billion, fifty-six million, five hundred sixty-five thousand, forty-nine".