1075889681 has 2 divisors, whose sum is σ = 1075889682. Its totient is φ = 1075889680.

The previous prime is 1075889621. The next prime is 1075889701. The reversal of 1075889681 is 1869885701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1075249681 + 640000 = 32791^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1075889681 - 2¹⁰ = 1075888657 is a prime.

It is a super-2 number, since 2×1075889681² = 2315077211364563522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1075889621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537944840 + 537944841.

It is an arithmetic number, because the mean of its divisors is an integer number (537944841).

Almost surely, 2^1075889681 is an apocalyptic number.

It is an amenable number.

1075889681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1075889681 is an equidigital number, since it uses as much as digits as its factorization.

1075889681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 53.

The square root of 1075889681 is about 32800.7573235741. The cubic root of 1075889681 is about 1024.6823305880.

The spelling of 1075889681 in words is "one billion, seventy-five million, eight hundred eighty-nine thousand, six hundred eighty-one".