36343661 has 2 divisors, whose sum is σ = 36343662. Its totient is φ = 36343660.

The previous prime is 36343627. The next prime is 36343663. The reversal of 36343661 is 16634363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 14394436 = 4685^2 + 3794^2 .

It is a cyclic number.

It is not a de Polignac number, because 36343661 - 2⁶ = 36343597 is a prime.

Together with 36343663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36343663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18171830 + 18171831.

It is an arithmetic number, because the mean of its divisors is an integer number (18171831).

Almost surely, 2^36343661 is an apocalyptic number.

It is an amenable number.

36343661 is a deficient number, since it is larger than the sum of its proper divisors (1).

36343661 is an equidigital number, since it uses as much as digits as its factorization.

36343661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 32.

The square root of 36343661 is about 6028.5703943804. The cubic root of 36343661 is about 331.2400877062.

The spelling of 36343661 in words is "thirty-six million, three hundred forty-three thousand, six hundred sixty-one".