33418061 has 2 divisors, whose sum is σ = 33418062. Its totient is φ = 33418060.

The previous prime is 33418051. The next prime is 33418079. The reversal of 33418061 is 16081433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20529961 + 12888100 = 4531^2 + 3590^2 .

It is a cyclic number.

It is not a de Polignac number, because 33418061 - 2¹⁰ = 33417037 is a prime.

It is a super-2 number, since 2×33418061² = 2233533601999442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33418061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33418001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16709030 + 16709031.

It is an arithmetic number, because the mean of its divisors is an integer number (16709031).

Almost surely, 2^33418061 is an apocalyptic number.

It is an amenable number.

33418061 is a deficient number, since it is larger than the sum of its proper divisors (1).

33418061 is an equidigital number, since it uses as much as digits as its factorization.

33418061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 33418061 is about 5780.8356662337. The cubic root of 33418061 is about 322.1022430356.

Adding to 33418061 its reverse (16081433), we get a palindrome (49499494).

The spelling of 33418061 in words is "thirty-three million, four hundred eighteen thousand, sixty-one".