36008813 has 2 divisors, whose sum is σ = 36008814. Its totient is φ = 36008812.

The previous prime is 36008809. The next prime is 36008827. The reversal of 36008813 is 31880063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21362884 + 14645929 = 4622^2 + 3827^2 .

It is a cyclic number.

It is not a de Polignac number, because 36008813 - 2² = 36008809 is a prime.

It is a super-2 number, since 2×36008813² = 2593269227337938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36008213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18004406 + 18004407.

It is an arithmetic number, because the mean of its divisors is an integer number (18004407).

Almost surely, 2^36008813 is an apocalyptic number.

It is an amenable number.

36008813 is a deficient number, since it is larger than the sum of its proper divisors (1).

36008813 is an equidigital number, since it uses as much as digits as its factorization.

36008813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 36008813 is about 6000.7343717248. The cubic root of 36008813 is about 330.2196670289.

Adding to 36008813 its reverse (31880063), we get a palindrome (67888876).

The spelling of 36008813 in words is "thirty-six million, eight thousand, eight hundred thirteen".