36864613 has 2 divisors, whose sum is σ = 36864614. Its totient is φ = 36864612.

The previous prime is 36864599. The next prime is 36864629. The reversal of 36864613 is 31646863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32467204 + 4397409 = 5698^2 + 2097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36864613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36864643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18432306 + 18432307.

It is an arithmetic number, because the mean of its divisors is an integer number (18432307).

Almost surely, 2^36864613 is an apocalyptic number.

It is an amenable number.

36864613 is a deficient number, since it is larger than the sum of its proper divisors (1).

36864613 is an equidigital number, since it uses as much as digits as its factorization.

36864613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 36864613 is about 6071.6235884646. The cubic root of 36864613 is about 332.8152564283.

The spelling of 36864613 in words is "thirty-six million, eight hundred sixty-four thousand, six hundred thirteen".