653340212 has 12 divisors (see below), whose sum is σ = 1306680480. Its totient is φ = 280002936.

The previous prime is 653340203. The next prime is 653340241. The reversal of 653340212 is 212043356.

653340212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

653340212 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11666762 + ... + 11666817.

It is an arithmetic number, because the mean of its divisors is an integer number (108890040).

Almost surely, 2^653340212 is an apocalyptic number.

It is an amenable number.

653340212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653340212 is a wasteful number, since it uses less digits than its factorization.

653340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23333590 (or 23333588 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 653340212 is about 25560.5205737285. The cubic root of 653340212 is about 867.7203772015.

Adding to 653340212 its reverse (212043356), we get a palindrome (865383568).

The spelling of 653340212 in words is "six hundred fifty-three million, three hundred forty thousand, two hundred twelve".