33613413 has 16 divisors (see below), whose sum is σ = 48184320. Its totient is φ = 20776176.

The previous prime is 33613387. The next prime is 33613429. The reversal of 33613413 is 31431633.

It is not a de Polignac number, because 33613413 - 2¹⁴ = 33597029 is a prime.

It is a super-2 number, since 2×33613413² = 2259723067017138, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33613483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3595 + ... + 8952.

It is an arithmetic number, because the mean of its divisors is an integer number (3011520).

Almost surely, 2^33613413 is an apocalyptic number.

It is an amenable number.

33613413 is a deficient number, since it is larger than the sum of its proper divisors (14570907).

33613413 is a wasteful number, since it uses less digits than its factorization.

33613413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12616.

The product of its digits is 1944, while the sum is 24.

The square root of 33613413 is about 5797.7075642016. The cubic root of 33613413 is about 322.7286618228.

The spelling of 33613413 in words is "thirty-three million, six hundred thirteen thousand, four hundred thirteen".