33369961 has 2 divisors, whose sum is σ = 33369962. Its totient is φ = 33369960.

The previous prime is 33369911. The next prime is 33369971. The reversal of 33369961 is 16996333.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25190361 + 8179600 = 5019^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 33369961 - 2¹¹ = 33367913 is a prime.

It is a super-2 number, since 2×33369961² = 2227108594283042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33369911) 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, 16684980 + 16684981.

It is an arithmetic number, because the mean of its divisors is an integer number (16684981).

Almost surely, 2^33369961 is an apocalyptic number.

It is an amenable number.

33369961 is a deficient number, since it is larger than the sum of its proper divisors (1).

33369961 is an equidigital number, since it uses as much as digits as its factorization.

33369961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732, while the sum is 40.

The square root of 33369961 is about 5776.6738699705. The cubic root of 33369961 is about 321.9476304631.

The spelling of 33369961 in words is "thirty-three million, three hundred sixty-nine thousand, nine hundred sixty-one".