36997393 has 2 divisors, whose sum is σ = 36997394. Its totient is φ = 36997392.

The previous prime is 36997391. The next prime is 36997397. The reversal of 36997393 is 39379963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25928464 + 11068929 = 5092^2 + 3327^2 .

It is a cyclic number.

It is not a de Polignac number, because 36997393 - 2¹ = 36997391 is a prime.

Together with 36997391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36997391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18498696 + 18498697.

It is an arithmetic number, because the mean of its divisors is an integer number (18498697).

Almost surely, 2^36997393 is an apocalyptic number.

It is an amenable number.

36997393 is a deficient number, since it is larger than the sum of its proper divisors (1).

36997393 is an equidigital number, since it uses as much as digits as its factorization.

36997393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 826686, while the sum is 49.

The square root of 36997393 is about 6082.5482324434. The cubic root of 36997393 is about 333.2143587624.

The spelling of 36997393 in words is "thirty-six million, nine hundred ninety-seven thousand, three hundred ninety-three".