33913057 has 6 divisors (see below), whose sum is σ = 34567862. Its totient is φ = 33270432.

The previous prime is 33913051. The next prime is 33913067. The reversal of 33913057 is 75031933.

It can be written as a sum of positive squares in 3 ways, for example, as 2954961 + 30958096 = 1719^2 + 5564^2 .

It is not a de Polignac number, because 33913057 - 2³ = 33913049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33913051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3228 + ... + 8845.

Almost surely, 2^33913057 is an apocalyptic number.

It is an amenable number.

33913057 is a deficient number, since it is larger than the sum of its proper divisors (654805).

33913057 is an equidigital number, since it uses as much as digits as its factorization.

33913057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12179 (or 12126 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 33913057 is about 5823.4918219227. The cubic root of 33913057 is about 323.6848056240.

The spelling of 33913057 in words is "thirty-three million, nine hundred thirteen thousand, fifty-seven".