33685061 has 2 divisors, whose sum is σ = 33685062. Its totient is φ = 33685060.

The previous prime is 33685031. The next prime is 33685063. The reversal of 33685061 is 16058633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31024900 + 2660161 = 5570^2 + 1631^2 .

It is a cyclic number.

It is not a de Polignac number, because 33685061 - 2¹⁰ = 33684037 is a prime.

It is a super-2 number, since 2×33685061² = 2269366669147442, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 33685063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33685063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16842530 + 16842531.

It is an arithmetic number, because the mean of its divisors is an integer number (16842531).

Almost surely, 2^33685061 is an apocalyptic number.

It is an amenable number.

33685061 is a deficient number, since it is larger than the sum of its proper divisors (1).

33685061 is an equidigital number, since it uses as much as digits as its factorization.

33685061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 33685061 is about 5803.8832689847. The cubic root of 33685061 is about 322.9578010413.

The spelling of 33685061 in words is "thirty-three million, six hundred eighty-five thousand, sixty-one".