36365491 has 4 divisors (see below), whose sum is σ = 36387184. Its totient is φ = 36343800.

The previous prime is 36365477. The next prime is 36365501. The reversal of 36365491 is 19456363.

36365491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36365491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36365491.

It is not an unprimeable number, because it can be changed into a prime (36365471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8100 + ... + 11761.

It is an arithmetic number, because the mean of its divisors is an integer number (9096796).

Almost surely, 2^36365491 is an apocalyptic number.

36365491 is a deficient number, since it is larger than the sum of its proper divisors (21693).

36365491 is a wasteful number, since it uses less digits than its factorization.

36365491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21692.

The product of its digits is 58320, while the sum is 37.

The square root of 36365491 is about 6030.3806679181. The cubic root of 36365491 is about 331.3063947653.

It can be divided in two parts, 36365 and 491, that added together give a triangular number (36856 = T₂₇₁).

The spelling of 36365491 in words is "thirty-six million, three hundred sixty-five thousand, four hundred ninety-one".