33245913 has 8 divisors (see below), whose sum is σ = 44452800. Its totient is φ = 22101488.

The previous prime is 33245911. The next prime is 33245939. The reversal of 33245913 is 31954233.

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 33245913 - 2¹ = 33245911 is a prime.

It is a super-2 number, since 2×33245913² = 2210581462407138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33245911) 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, 14358 + ... + 16511.

It is an arithmetic number, because the mean of its divisors is an integer number (5556600).

Almost surely, 2^33245913 is an apocalyptic number.

It is an amenable number.

33245913 is a deficient number, since it is larger than the sum of its proper divisors (11206887).

33245913 is a wasteful number, since it uses less digits than its factorization.

33245913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31231.

The product of its digits is 9720, while the sum is 30.

The square root of 33245913 is about 5765.9268986001. The cubic root of 33245913 is about 321.5482038777.

The spelling of 33245913 in words is "thirty-three million, two hundred forty-five thousand, nine hundred thirteen".