36616081 has 2 divisors, whose sum is σ = 36616082. Its totient is φ = 36616080.

The previous prime is 36616039. The next prime is 36616109. The reversal of 36616081 is 18061663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 3207681 = 5780^2 + 1791^2 .

It is an emirp because it is prime and its reverse (18061663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36616081 - 2¹¹ = 36614033 is a prime.

It is a super-2 number, since 2×36616081² = 2681474775597122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36616001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18308040 + 18308041.

It is an arithmetic number, because the mean of its divisors is an integer number (18308041).

Almost surely, 2^36616081 is an apocalyptic number.

It is an amenable number.

36616081 is a deficient number, since it is larger than the sum of its proper divisors (1).

36616081 is an equidigital number, since it uses as much as digits as its factorization.

36616081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 36616081 is about 6051.1222925999. The cubic root of 36616081 is about 332.0656502728.

The spelling of 36616081 in words is "thirty-six million, six hundred sixteen thousand, eighty-one".