35985161 has 2 divisors, whose sum is σ = 35985162. Its totient is φ = 35985160.

The previous prime is 35985149. The next prime is 35985163. The reversal of 35985161 is 16158953.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35473936 + 511225 = 5956^2 + 715^2 .

It is an emirp because it is prime and its reverse (16158953) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35985161 is a prime.

Together with 35985163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (35985163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17992580 + 17992581.

It is an arithmetic number, because the mean of its divisors is an integer number (17992581).

Almost surely, 2^35985161 is an apocalyptic number.

It is an amenable number.

35985161 is a deficient number, since it is larger than the sum of its proper divisors (1).

35985161 is an equidigital number, since it uses as much as digits as its factorization.

35985161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 35985161 is about 5998.7632892122. The cubic root of 35985161 is about 330.1473507856.

The spelling of 35985161 in words is "thirty-five million, nine hundred eighty-five thousand, one hundred sixty-one".