612285233 has 12 divisors (see below), whose sum is σ = 716377140. Its totient is φ = 521775072.

The previous prime is 612285229. The next prime is 612285239. The reversal of 612285233 is 332582216.

It can be written as a sum of positive squares in 2 ways, for example, as 330985249 + 281299984 = 18193^2 + 16772^2 .

It is not a de Polignac number, because 612285233 - 2² = 612285229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 612285233.

It is not an unprimeable number, because it can be changed into a prime (612285239) 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, 27638 + ... + 44591.

It is an arithmetic number, because the mean of its divisors is an integer number (59698095).

Almost surely, 2^612285233 is an apocalyptic number.

It is an amenable number.

612285233 is a deficient number, since it is larger than the sum of its proper divisors (104091907).

612285233 is a wasteful number, since it uses less digits than its factorization.

612285233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72416 (or 72409 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 612285233 is about 24744.3980124795. The cubic root of 612285233 is about 849.1503542208.

The spelling of 612285233 in words is "six hundred twelve million, two hundred eighty-five thousand, two hundred thirty-three".