36561983 has 2 divisors, whose sum is σ = 36561984. Its totient is φ = 36561982.

The previous prime is 36561961. The next prime is 36562021. The reversal of 36561983 is 38916563.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36561983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36561983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36561923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18280991 + 18280992.

It is an arithmetic number, because the mean of its divisors is an integer number (18280992).

Almost surely, 2^36561983 is an apocalyptic number.

36561983 is a deficient number, since it is larger than the sum of its proper divisors (1).

36561983 is an equidigital number, since it uses as much as digits as its factorization.

36561983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 36561983 is about 6046.6505604343. The cubic root of 36561983 is about 331.9020341669.

The spelling of 36561983 in words is "thirty-six million, five hundred sixty-one thousand, nine hundred eighty-three".