1056211493 has 2 divisors, whose sum is σ = 1056211494. Its totient is φ = 1056211492.

The previous prime is 1056211489. The next prime is 1056211567. The reversal of 1056211493 is 3941126501.

1056211493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040514049 + 15697444 = 32257^2 + 3962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056211493 - 2² = 1056211489 is a prime.

It is a super-2 number, since 2×1056211493² = 2231165435890578098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056211423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528105746 + 528105747.

It is an arithmetic number, because the mean of its divisors is an integer number (528105747).

Almost surely, 2^1056211493 is an apocalyptic number.

It is an amenable number.

1056211493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056211493 is an equidigital number, since it uses as much as digits as its factorization.

1056211493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1056211493 is about 32499.4075792160. The cubic root of 1056211493 is about 1018.3966521547.

Adding to 1056211493 its reverse (3941126501), we get a palindrome (4997337994).

The spelling of 1056211493 in words is "one billion, fifty-six million, two hundred eleven thousand, four hundred ninety-three".