36331613 has 2 divisors, whose sum is σ = 36331614. Its totient is φ = 36331612.

The previous prime is 36331583. The next prime is 36331637. The reversal of 36331613 is 31613363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34421689 + 1909924 = 5867^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 36331613 - 2⁸ = 36331357 is a prime.

It is a super-2 number, since 2×36331613² = 2639972206363538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36331913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18165806 + 18165807.

It is an arithmetic number, because the mean of its divisors is an integer number (18165807).

Almost surely, 2^36331613 is an apocalyptic number.

It is an amenable number.

36331613 is a deficient number, since it is larger than the sum of its proper divisors (1).

36331613 is an equidigital number, since it uses as much as digits as its factorization.

36331613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 26.

The square root of 36331613 is about 6027.5710696764. The cubic root of 36331613 is about 331.2034813992.

Adding to 36331613 its reverse (31613363), we get a palindrome (67944976).

The spelling of 36331613 in words is "thirty-six million, three hundred thirty-one thousand, six hundred thirteen".