33013061 has 4 divisors (see below), whose sum is σ = 33210912. Its totient is φ = 32815212.

The previous prime is 33013039. The next prime is 33013069. The reversal of 33013061 is 16031033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33013061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33013069) 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 in 3 ways as a sum of consecutive naturals, for example, 98675 + ... + 99008.

It is an arithmetic number, because the mean of its divisors is an integer number (8302728).

Almost surely, 2^33013061 is an apocalyptic number.

It is an amenable number.

33013061 is a deficient number, since it is larger than the sum of its proper divisors (197851).

33013061 is a wasteful number, since it uses less digits than its factorization.

33013061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197850.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 33013061 is about 5745.6993482082. The cubic root of 33013061 is about 320.7957441916.

Adding to 33013061 its reverse (16031033), we get a palindrome (49044094).

The spelling of 33013061 in words is "thirty-three million, thirteen thousand, sixty-one".