654212 has 24 divisors (see below), whose sum is σ = 1288896. Its totient is φ = 288288.

The previous prime is 654209. The next prime is 654221. The reversal of 654212 is 212456.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 654212.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 923 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (53704).

2⁶⁵⁴²¹² is an apocalyptic number.

It is an amenable number.

654212 is a deficient number, since it is larger than the sum of its proper divisors (634684).

654212 is a wasteful number, since it uses less digits than its factorization.

654212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 654212 is about 808.8337282779. The cubic root of 654212 is about 86.8106154770.

Adding to 654212 its reverse (212456), we get a palindrome (866668).

The spelling of 654212 in words is "six hundred fifty-four thousand, two hundred twelve".