33161741 has 2 divisors, whose sum is σ = 33161742. Its totient is φ = 33161740.

The previous prime is 33161683. The next prime is 33161767. The reversal of 33161741 is 14716133.

It is an a-pointer prime, because the next prime (33161767) can be obtained adding 33161741 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 3076516 = 5485^2 + 1754^2 .

It is an emirp because it is prime and its reverse (14716133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33161741 - 2¹⁸ = 32899597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33161741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33161341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16580870 + 16580871.

It is an arithmetic number, because the mean of its divisors is an integer number (16580871).

Almost surely, 2^33161741 is an apocalyptic number.

It is an amenable number.

33161741 is a deficient number, since it is larger than the sum of its proper divisors (1).

33161741 is an equidigital number, since it uses as much as digits as its factorization.

33161741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 33161741 is about 5758.6231861444. The cubic root of 33161741 is about 321.2766093015.

Adding to 33161741 its reverse (14716133), we get a palindrome (47877874).

The spelling of 33161741 in words is "thirty-three million, one hundred sixty-one thousand, seven hundred forty-one".