36515863 has 2 divisors, whose sum is σ = 36515864. Its totient is φ = 36515862.

The previous prime is 36515803. The next prime is 36515879. The reversal of 36515863 is 36851563.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36515863 - 2⁹ = 36515351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36515803) 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, 18257931 + 18257932.

It is an arithmetic number, because the mean of its divisors is an integer number (18257932).

Almost surely, 2^36515863 is an apocalyptic number.

36515863 is a deficient number, since it is larger than the sum of its proper divisors (1).

36515863 is an equidigital number, since it uses as much as digits as its factorization.

36515863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 37.

The square root of 36515863 is about 6042.8356754094. The cubic root of 36515863 is about 331.7624195418.

The spelling of 36515863 in words is "thirty-six million, five hundred fifteen thousand, eight hundred sixty-three".