1036321081 has 2 divisors, whose sum is σ = 1036321082. Its totient is φ = 1036321080.

The previous prime is 1036320997. The next prime is 1036321087. The reversal of 1036321081 is 1801236301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1035809856 + 511225 = 32184^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 1036321081 - 2⁷ = 1036320953 is a prime.

It is a super-3 number, since 3×1036321081³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1036321087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518160540 + 518160541.

It is an arithmetic number, because the mean of its divisors is an integer number (518160541).

Almost surely, 2^1036321081 is an apocalyptic number.

It is an amenable number.

1036321081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1036321081 is an equidigital number, since it uses as much as digits as its factorization.

1036321081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1036321081 is about 32191.9412431124. The cubic root of 1036321081 is about 1011.9633348822.

Adding to 1036321081 its reverse (1801236301), we get a palindrome (2837557382).

The spelling of 1036321081 in words is "one billion, thirty-six million, three hundred twenty-one thousand, eighty-one".