1051330081 has 2 divisors, whose sum is σ = 1051330082. Its totient is φ = 1051330080.

The previous prime is 1051330067. The next prime is 1051330087. The reversal of 1051330081 is 1800331501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 830361856 + 220968225 = 28816^2 + 14865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051330081 - 2¹⁹ = 1050805793 is a prime.

It is a super-2 number, since 2×1051330081² = 2210589878430933122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051330087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525665040 + 525665041.

It is an arithmetic number, because the mean of its divisors is an integer number (525665041).

Almost surely, 2^1051330081 is an apocalyptic number.

It is an amenable number.

1051330081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051330081 is an equidigital number, since it uses as much as digits as its factorization.

1051330081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1051330081 is about 32424.2205920204. The cubic root of 1051330081 is about 1016.8253469899.

Adding to 1051330081 its reverse (1800331501), we get a palindrome (2851661582).

The spelling of 1051330081 in words is "one billion, fifty-one million, three hundred thirty thousand, eighty-one".