913233 has 4 divisors (see below), whose sum is σ = 1217648. Its totient is φ = 608820.

The previous prime is 913217. The next prime is 913247. The reversal of 913233 is 332319.

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.

It is not a de Polignac number, because 913233 - 2⁴ = 913217 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 913233.

It is not an unprimeable number, because it can be changed into a prime (913433) 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, 152203 + ... + 152208.

It is an arithmetic number, because the mean of its divisors is an integer number (304412).

2⁹¹³²³³ is an apocalyptic number.

It is an amenable number.

913233 is a deficient number, since it is larger than the sum of its proper divisors (304415).

913233 is a wasteful number, since it uses less digits than its factorization.

913233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304414.

The product of its digits is 486, while the sum is 21.

The square root of 913233 is about 955.6322514440. The cubic root of 913233 is about 97.0198351048.

The spelling of 913233 in words is "nine hundred thirteen thousand, two hundred thirty-three".