33245161 has 2 divisors, whose sum is σ = 33245162. Its totient is φ = 33245160.

The previous prime is 33245159. The next prime is 33245167. The reversal of 33245161 is 16154233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32490000 + 755161 = 5700^2 + 869^2 .

It is a cyclic number.

It is not a de Polignac number, because 33245161 - 2¹ = 33245159 is a prime.

It is a super-2 number, since 2×33245161² = 2210481459831842, which contains 22 as substring.

Together with 33245159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33245167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16622580 + 16622581.

It is an arithmetic number, because the mean of its divisors is an integer number (16622581).

Almost surely, 2^33245161 is an apocalyptic number.

It is an amenable number.

33245161 is a deficient number, since it is larger than the sum of its proper divisors (1).

33245161 is an equidigital number, since it uses as much as digits as its factorization.

33245161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 33245161 is about 5765.8616875537. The cubic root of 33245161 is about 321.5457794586.

Adding to 33245161 its reverse (16154233), we get a palindrome (49399394).

The spelling of 33245161 in words is "thirty-three million, two hundred forty-five thousand, one hundred sixty-one".