36100081 has 2 divisors, whose sum is σ = 36100082. Its totient is φ = 36100080.

The previous prime is 36100079. The next prime is 36100117. The reversal of 36100081 is 18000163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32262400 + 3837681 = 5680^2 + 1959^2 .

It is a cyclic number.

It is not a de Polignac number, because 36100081 - 2¹ = 36100079 is a prime.

It is a super-2 number, since 2×36100081² = 2606431696413122, which contains 22 as substring.

Together with 36100079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36100381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18050040 + 18050041.

It is an arithmetic number, because the mean of its divisors is an integer number (18050041).

Almost surely, 2^36100081 is an apocalyptic number.

It is an amenable number.

36100081 is a deficient number, since it is larger than the sum of its proper divisors (1).

36100081 is an equidigital number, since it uses as much as digits as its factorization.

36100081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 36100081 is about 6008.3342949606. The cubic root of 36100081 is about 330.4984234298.

The spelling of 36100081 in words is "thirty-six million, one hundred thousand, eighty-one".