36965281 has 2 divisors, whose sum is σ = 36965282. Its totient is φ = 36965280.

The previous prime is 36965273. The next prime is 36965297. The reversal of 36965281 is 18256963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28462225 + 8503056 = 5335^2 + 2916^2 .

It is a cyclic number.

It is not a de Polignac number, because 36965281 - 2³ = 36965273 is a prime.

It is a super-2 number, since 2×36965281² = 2732863998817922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36965381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18482640 + 18482641.

It is an arithmetic number, because the mean of its divisors is an integer number (18482641).

Almost surely, 2^36965281 is an apocalyptic number.

It is an amenable number.

36965281 is a deficient number, since it is larger than the sum of its proper divisors (1).

36965281 is an equidigital number, since it uses as much as digits as its factorization.

36965281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 36965281 is about 6079.9079762773. The cubic root of 36965281 is about 333.1179260513.

The spelling of 36965281 in words is "thirty-six million, nine hundred sixty-five thousand, two hundred eighty-one".