36235561 has 2 divisors, whose sum is σ = 36235562. Its totient is φ = 36235560.

The previous prime is 36235547. The next prime is 36235583. The reversal of 36235561 is 16553263.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29376400 + 6859161 = 5420^2 + 2619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36235561 is a prime.

It is not a weakly prime, because it can be changed into another prime (36235501) 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, 18117780 + 18117781.

It is an arithmetic number, because the mean of its divisors is an integer number (18117781).

Almost surely, 2^36235561 is an apocalyptic number.

It is an amenable number.

36235561 is a deficient number, since it is larger than the sum of its proper divisors (1).

36235561 is an equidigital number, since it uses as much as digits as its factorization.

36235561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 31.

The square root of 36235561 is about 6019.5980762838. The cubic root of 36235561 is about 330.9113498321.

The spelling of 36235561 in words is "thirty-six million, two hundred thirty-five thousand, five hundred sixty-one".