36897149 has 2 divisors, whose sum is σ = 36897150. Its totient is φ = 36897148.

The previous prime is 36897143. The next prime is 36897163. The reversal of 36897149 is 94179863.

36897149 = 3506² + 3507² + 3508².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34987225 + 1909924 = 5915^2 + 1382^2 .

It is an emirp because it is prime and its reverse (94179863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36897149 - 2¹² = 36893053 is a prime.

It is a super-2 number, since 2×36897149² = 2722799208656402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36897143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18448574 + 18448575.

It is an arithmetic number, because the mean of its divisors is an integer number (18448575).

Almost surely, 2^36897149 is an apocalyptic number.

It is an amenable number.

36897149 is a deficient number, since it is larger than the sum of its proper divisors (1).

36897149 is an equidigital number, since it uses as much as digits as its factorization.

36897149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 36897149 is about 6074.3023467720. The cubic root of 36897149 is about 332.9131397569.

The spelling of 36897149 in words is "thirty-six million, eight hundred ninety-seven thousand, one hundred forty-nine".