33040513 has 8 divisors (see below), whose sum is σ = 37207296. Its totient is φ = 29067600.

The previous prime is 33040507. The next prime is 33040523. The reversal of 33040513 is 31504033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33040513 - 2⁵ = 33040481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33040523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48106 + ... + 48787.

It is an arithmetic number, because the mean of its divisors is an integer number (4650912).

Almost surely, 2^33040513 is an apocalyptic number.

It is an amenable number.

33040513 is a deficient number, since it is larger than the sum of its proper divisors (4166783).

33040513 is a wasteful number, since it uses less digits than its factorization.

33040513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96935.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 33040513 is about 5748.0877689889. The cubic root of 33040513 is about 320.8846387545.

Adding to 33040513 its reverse (31504033), we get a palindrome (64544546).

The spelling of 33040513 in words is "thirty-three million, forty thousand, five hundred thirteen".