36540811 has 2 divisors, whose sum is σ = 36540812. Its totient is φ = 36540810.

The previous prime is 36540787. The next prime is 36540817. The reversal of 36540811 is 11804563.

It is a strong prime.

It is an emirp because it is prime and its reverse (11804563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36540811 - 2⁷ = 36540683 is a prime.

It is equal to p_2235376 and since 36540811 and 2235376 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36540811.

It is not a weakly prime, because it can be changed into another prime (36540817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18270405 + 18270406.

It is an arithmetic number, because the mean of its divisors is an integer number (18270406).

Almost surely, 2^36540811 is an apocalyptic number.

36540811 is a deficient number, since it is larger than the sum of its proper divisors (1).

36540811 is an equidigital number, since it uses as much as digits as its factorization.

36540811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 36540811 is about 6044.8995856011. The cubic root of 36540811 is about 331.8379568010.

The spelling of 36540811 in words is "thirty-six million, five hundred forty thousand, eight hundred eleven".