33255313 has 12 divisors (see below), whose sum is σ = 41155968. Its totient is φ = 26310960.

The previous prime is 33255307. The next prime is 33255323. The reversal of 33255313 is 31355233.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-33255313 is a prime.

It is a super-2 number, since 2×33255313² = 2211831685455938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33255323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12873 + ... + 15238.

It is an arithmetic number, because the mean of its divisors is an integer number (3429664).

Almost surely, 2^33255313 is an apocalyptic number.

It is an amenable number.

33255313 is a deficient number, since it is larger than the sum of its proper divisors (7900655).

33255313 is a wasteful number, since it uses less digits than its factorization.

33255313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28144 (or 28131 counting only the distinct ones).

The product of its digits is 4050, while the sum is 25.

The square root of 33255313 is about 5766.7419744601. The cubic root of 33255313 is about 321.5785060313.

The spelling of 33255313 in words is "thirty-three million, two hundred fifty-five thousand, three hundred thirteen".