36997819 has 2 divisors, whose sum is σ = 36997820. Its totient is φ = 36997818.

The previous prime is 36997811. The next prime is 36997841. The reversal of 36997819 is 91879963.

36997819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36997819 - 2³ = 36997811 is a prime.

It is a super-2 number, since 2×36997819² = 2737677221513522, which contains 22 as substring.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (36997811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18498909 + 18498910.

It is an arithmetic number, because the mean of its divisors is an integer number (18498910).

Almost surely, 2^36997819 is an apocalyptic number.

36997819 is a deficient number, since it is larger than the sum of its proper divisors (1).

36997819 is an equidigital number, since it uses as much as digits as its factorization.

36997819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 52.

The square root of 36997819 is about 6082.5832505606. The cubic root of 36997819 is about 333.2156376703.

The spelling of 36997819 in words is "thirty-six million, nine hundred ninety-seven thousand, eight hundred nineteen".