36682813 has 2 divisors, whose sum is σ = 36682814. Its totient is φ = 36682812.

The previous prime is 36682783. The next prime is 36682829. The reversal of 36682813 is 31828663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36216324 + 466489 = 6018^2 + 683^2 .

It is an emirp because it is prime and its reverse (31828663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36682813 - 2²⁵ = 3128381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36682843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18341406 + 18341407.

It is an arithmetic number, because the mean of its divisors is an integer number (18341407).

Almost surely, 2^36682813 is an apocalyptic number.

It is an amenable number.

36682813 is a deficient number, since it is larger than the sum of its proper divisors (1).

36682813 is an equidigital number, since it uses as much as digits as its factorization.

36682813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 36682813 is about 6056.6338010482. The cubic root of 36682813 is about 332.2672552899.

The spelling of 36682813 in words is "thirty-six million, six hundred eighty-two thousand, eight hundred thirteen".