36505537 has 2 divisors, whose sum is σ = 36505538. Its totient is φ = 36505536.

The previous prime is 36505529. The next prime is 36505549. The reversal of 36505537 is 73550563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27499536 + 9006001 = 5244^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 36505537 - 2³ = 36505529 is a prime.

It is not a weakly prime, because it can be changed into another prime (36502537) 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, 18252768 + 18252769.

It is an arithmetic number, because the mean of its divisors is an integer number (18252769).

Almost surely, 2^36505537 is an apocalyptic number.

It is an amenable number.

36505537 is a deficient number, since it is larger than the sum of its proper divisors (1).

36505537 is an equidigital number, since it uses as much as digits as its factorization.

36505537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 36505537 is about 6041.9812148003. The cubic root of 36505537 is about 331.7311445339.

The spelling of 36505537 in words is "thirty-six million, five hundred five thousand, five hundred thirty-seven".