33534013 has 4 divisors (see below), whose sum is σ = 35506620. Its totient is φ = 31561408.

The previous prime is 33533987. The next prime is 33534041. The reversal of 33534013 is 31043533.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31043533 = 307 ⋅101119.

It can be written as a sum of positive squares in 2 ways, for example, as 13704804 + 19829209 = 3702^2 + 4453^2 .

It is a cyclic number.

It is not a de Polignac number, because 33534013 - 2²¹ = 31436861 is a prime.

It is a super-2 number, since 2×33534013² = 2249060055768338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33534313) 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, 986278 + ... + 986311.

It is an arithmetic number, because the mean of its divisors is an integer number (8876655).

Almost surely, 2^33534013 is an apocalyptic number.

It is an amenable number.

33534013 is a deficient number, since it is larger than the sum of its proper divisors (1972607).

33534013 is a wasteful number, since it uses less digits than its factorization.

33534013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972606.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 33534013 is about 5790.8559816317. The cubic root of 33534013 is about 322.4743500622.

Adding to 33534013 its reverse (31043533), we get a palindrome (64577546).

The spelling of 33534013 in words is "thirty-three million, five hundred thirty-four thousand, thirteen".