1164053581 has 2 divisors, whose sum is σ = 1164053582. Its totient is φ = 1164053580.

The previous prime is 1164053549. The next prime is 1164053593. The reversal of 1164053581 is 1853504611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616727556 + 547326025 = 24834^2 + 23395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164053581 - 2⁵ = 1164053549 is a prime.

It is a super-2 number, since 2×1164053581² = 2710041478877847122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164053521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582026790 + 582026791.

It is an arithmetic number, because the mean of its divisors is an integer number (582026791).

Almost surely, 2^1164053581 is an apocalyptic number.

It is an amenable number.

1164053581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164053581 is an equidigital number, since it uses as much as digits as its factorization.

1164053581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1164053581 is about 34118.2294528893. The cubic root of 1164053581 is about 1051.9400507145.

The spelling of 1164053581 in words is "one billion, one hundred sixty-four million, fifty-three thousand, five hundred eighty-one".