36685417 has 2 divisors, whose sum is σ = 36685418. Its totient is φ = 36685416.

The previous prime is 36685379. The next prime is 36685457. The reversal of 36685417 is 71458663.

It is a happy number.

It is an a-pointer prime, because the next prime (36685457) can be obtained adding 36685417 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27081616 + 9603801 = 5204^2 + 3099^2 .

It is an emirp because it is prime and its reverse (71458663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36685417 - 2⁷ = 36685289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36685417.

It is not a weakly prime, because it can be changed into another prime (36685457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18342708 + 18342709.

It is an arithmetic number, because the mean of its divisors is an integer number (18342709).

Almost surely, 2^36685417 is an apocalyptic number.

It is an amenable number.

36685417 is a deficient number, since it is larger than the sum of its proper divisors (1).

36685417 is an equidigital number, since it uses as much as digits as its factorization.

36685417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 36685417 is about 6056.8487681302. The cubic root of 36685417 is about 332.2751173138.

The spelling of 36685417 in words is "thirty-six million, six hundred eighty-five thousand, four hundred seventeen".