33601081 has 2 divisors, whose sum is σ = 33601082. Its totient is φ = 33601080.

The previous prime is 33601079. The next prime is 33601109. The reversal of 33601081 is 18010633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19501056 + 14100025 = 4416^2 + 3755^2 .

It is a cyclic number.

It is not a de Polignac number, because 33601081 - 2¹ = 33601079 is a prime.

It is a super-2 number, since 2×33601081² = 2258065288737122, which contains 22 as substring.

Together with 33601079, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33607081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16800540 + 16800541.

It is an arithmetic number, because the mean of its divisors is an integer number (16800541).

Almost surely, 2^33601081 is an apocalyptic number.

It is an amenable number.

33601081 is a deficient number, since it is larger than the sum of its proper divisors (1).

33601081 is an equidigital number, since it uses as much as digits as its factorization.

33601081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 33601081 is about 5796.6439428345. The cubic root of 33601081 is about 322.6891897161.

The spelling of 33601081 in words is "thirty-three million, six hundred one thousand, eighty-one".