33536081 has 2 divisors, whose sum is σ = 33536082. Its totient is φ = 33536080.

The previous prime is 33536071. The next prime is 33536099. The reversal of 33536081 is 18063533.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33535681 + 400 = 5791^2 + 20^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33536081 is a prime.

It is a super-2 number, since 2×33536081² = 2249337457677122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33536011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16768040 + 16768041.

It is an arithmetic number, because the mean of its divisors is an integer number (16768041).

Almost surely, 2^33536081 is an apocalyptic number.

It is an amenable number.

33536081 is a deficient number, since it is larger than the sum of its proper divisors (1).

33536081 is an equidigital number, since it uses as much as digits as its factorization.

33536081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 33536081 is about 5791.0345362465. The cubic root of 33536081 is about 322.4809787872.

The spelling of 33536081 in words is "thirty-three million, five hundred thirty-six thousand, eighty-one".