1160581 has 2 divisors, whose sum is σ = 1160582. Its totient is φ = 1160580.

The previous prime is 1160569. The next prime is 1160597. The reversal of 1160581 is 1850611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 58081 = 1050^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 1160581 - 2¹⁵ = 1127813 is a prime.

It is a super-2 number, since 2×1160581² = 2693896515122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1160681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580290 + 580291.

It is an arithmetic number, because the mean of its divisors is an integer number (580291).

2^1160581 is an apocalyptic number.

It is an amenable number.

1160581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160581 is an equidigital number, since it uses as much as digits as its factorization.

1160581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 1160581 is about 1077.3026501406. The cubic root of 1160581 is about 105.0892966745.

The spelling of 1160581 in words is "one million, one hundred sixty thousand, five hundred eighty-one".