36851161 has 2 divisors, whose sum is σ = 36851162. Its totient is φ = 36851160.

The previous prime is 36851159. The next prime is 36851207. The reversal of 36851161 is 16115863.

36851161 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 can be written as a sum of positive squares in only one way, i.e., 36542025 + 309136 = 6045^2 + 556^2 .

It is a cyclic number.

It is not a de Polignac number, because 36851161 - 2¹ = 36851159 is a prime.

Together with 36851159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36851131) 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, 18425580 + 18425581.

It is an arithmetic number, because the mean of its divisors is an integer number (18425581).

Almost surely, 2^36851161 is an apocalyptic number.

It is an amenable number.

36851161 is a deficient number, since it is larger than the sum of its proper divisors (1).

36851161 is an equidigital number, since it uses as much as digits as its factorization.

36851161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 36851161 is about 6070.5157112061. The cubic root of 36851161 is about 332.7747697652.

It can be divided in two parts, 368 and 51161, that added together give a square (51529 = 227²).

The spelling of 36851161 in words is "thirty-six million, eight hundred fifty-one thousand, one hundred sixty-one".