36842081 has 2 divisors, whose sum is σ = 36842082. Its totient is φ = 36842080.

The previous prime is 36842063. The next prime is 36842087. The reversal of 36842081 is 18024863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33744481 + 3097600 = 5809^2 + 1760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36842081 is a prime.

It is a super-2 number, since 2×36842081² = 2714677864821122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36842087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18421040 + 18421041.

It is an arithmetic number, because the mean of its divisors is an integer number (18421041).

Almost surely, 2^36842081 is an apocalyptic number.

It is an amenable number.

36842081 is a deficient number, since it is larger than the sum of its proper divisors (1).

36842081 is an equidigital number, since it uses as much as digits as its factorization.

36842081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 36842081 is about 6069.7677879800. The cubic root of 36842081 is about 332.7474359985.

The spelling of 36842081 in words is "thirty-six million, eight hundred forty-two thousand, eighty-one".