1056533449 has 2 divisors, whose sum is σ = 1056533450. Its totient is φ = 1056533448.

The previous prime is 1056533431. The next prime is 1056533503. The reversal of 1056533449 is 9443356501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1021249849 + 35283600 = 31957^2 + 5940^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056533449 - 2¹⁷ = 1056402377 is a prime.

It is a super-2 number, since 2×1056533449² = 2232525857711671202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1056534449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528266724 + 528266725.

It is an arithmetic number, because the mean of its divisors is an integer number (528266725).

Almost surely, 2^1056533449 is an apocalyptic number.

It is an amenable number.

1056533449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056533449 is an equidigital number, since it uses as much as digits as its factorization.

1056533449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 1056533449 is about 32504.3604613289. The cubic root of 1056533449 is about 1018.5001180501.

The spelling of 1056533449 in words is "one billion, fifty-six million, five hundred thirty-three thousand, four hundred forty-nine".