36399161 has 2 divisors, whose sum is σ = 36399162. Its totient is φ = 36399160.

The previous prime is 36399137. The next prime is 36399173. The reversal of 36399161 is 16199363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 15642025 = 4556^2 + 3955^2 .

It is an emirp because it is prime and its reverse (16199363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36399161 - 2²² = 32204857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36399101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18199580 + 18199581.

It is an arithmetic number, because the mean of its divisors is an integer number (18199581).

Almost surely, 2^36399161 is an apocalyptic number.

It is an amenable number.

36399161 is a deficient number, since it is larger than the sum of its proper divisors (1).

36399161 is an equidigital number, since it uses as much as digits as its factorization.

36399161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 38.

The square root of 36399161 is about 6033.1717197507. The cubic root of 36399161 is about 331.4086129674.

The spelling of 36399161 in words is "thirty-six million, three hundred ninety-nine thousand, one hundred sixty-one".