1066064281 has 2 divisors, whose sum is σ = 1066064282. Its totient is φ = 1066064280.

The previous prime is 1066064249. The next prime is 1066064303. The reversal of 1066064281 is 1824606601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1061717056 + 4347225 = 32584^2 + 2085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066064281 - 2⁵ = 1066064249 is a prime.

It is a super-2 number, since 2×1066064281² = 2272986102448093922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1066064221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533032140 + 533032141.

It is an arithmetic number, because the mean of its divisors is an integer number (533032141).

Almost surely, 2^1066064281 is an apocalyptic number.

It is an amenable number.

1066064281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066064281 is an equidigital number, since it uses as much as digits as its factorization.

1066064281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1066064281 is about 32650.6398252775. The cubic root of 1066064281 is about 1021.5535345488.

The spelling of 1066064281 in words is "one billion, sixty-six million, sixty-four thousand, two hundred eighty-one".