36612613 has 2 divisors, whose sum is σ = 36612614. Its totient is φ = 36612612.

The previous prime is 36612607. The next prime is 36612623. The reversal of 36612613 is 31621663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19695844 + 16916769 = 4438^2 + 4113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36612613 is a prime.

It is equal to p_2239507 and since 36612613 and 2239507 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36612623) 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, 18306306 + 18306307.

It is an arithmetic number, because the mean of its divisors is an integer number (18306307).

Almost surely, 2^36612613 is an apocalyptic number.

It is an amenable number.

36612613 is a deficient number, since it is larger than the sum of its proper divisors (1).

36612613 is an equidigital number, since it uses as much as digits as its factorization.

36612613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 36612613 is about 6050.8357274016. The cubic root of 36612613 is about 332.0551663542.

The spelling of 36612613 in words is "thirty-six million, six hundred twelve thousand, six hundred thirteen".