36697613 has 2 divisors, whose sum is σ = 36697614. Its totient is φ = 36697612.

The previous prime is 36697601. The next prime is 36697621. The reversal of 36697613 is 31679663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20593444 + 16104169 = 4538^2 + 4013^2 .

It is a cyclic number.

It is not a de Polignac number, because 36697613 - 2²⁰ = 35649037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36697663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18348806 + 18348807.

It is an arithmetic number, because the mean of its divisors is an integer number (18348807).

Almost surely, 2^36697613 is an apocalyptic number.

It is an amenable number.

36697613 is a deficient number, since it is larger than the sum of its proper divisors (1).

36697613 is an equidigital number, since it uses as much as digits as its factorization.

36697613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 36697613 is about 6057.8554786327. The cubic root of 36697613 is about 332.3119346532.

It can be divided in two parts, 366 and 97613, that added together give a palindrome (97979).

The spelling of 36697613 in words is "thirty-six million, six hundred ninety-seven thousand, six hundred thirteen".