33750413 has 4 divisors (see below), whose sum is σ = 34839168. Its totient is φ = 32661660.

The previous prime is 33750391. The next prime is 33750443. The reversal of 33750413 is 31405733.

33750413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31405733 = 53 ⋅592561.

It is a cyclic number.

It is not a de Polignac number, because 33750413 - 2¹⁰ = 33749389 is a prime.

It is a super-2 number, since 2×33750413² = 2278180755341138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33750443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544331 + ... + 544392.

It is an arithmetic number, because the mean of its divisors is an integer number (8709792).

Almost surely, 2^33750413 is an apocalyptic number.

It is an amenable number.

33750413 is a deficient number, since it is larger than the sum of its proper divisors (1088755).

33750413 is a wasteful number, since it uses less digits than its factorization.

33750413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088754.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 33750413 is about 5809.5105645829. The cubic root of 33750413 is about 323.1665216943.

The spelling of 33750413 in words is "thirty-three million, seven hundred fifty thousand, four hundred thirteen".