36009481 has 2 divisors, whose sum is σ = 36009482. Its totient is φ = 36009480.

The previous prime is 36009469. The next prime is 36009487. The reversal of 36009481 is 18490063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20169081 + 15840400 = 4491^2 + 3980^2 .

It is a cyclic number.

It is not a de Polignac number, because 36009481 - 2¹⁵ = 35976713 is a prime.

It is a super-2 number, since 2×36009481² = 2593365443778722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36009487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18004740 + 18004741.

It is an arithmetic number, because the mean of its divisors is an integer number (18004741).

Almost surely, 2^36009481 is an apocalyptic number.

It is an amenable number.

36009481 is a deficient number, since it is larger than the sum of its proper divisors (1).

36009481 is an equidigital number, since it uses as much as digits as its factorization.

36009481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 36009481 is about 6000.7900313209. The cubic root of 36009481 is about 330.2217089862.

The spelling of 36009481 in words is "thirty-six million, nine thousand, four hundred eighty-one".