653212050 has 24 divisors (see below), whose sum is σ = 1619966256. Its totient is φ = 174189840.

The previous prime is 653212033. The next prime is 653212051. The reversal of 653212050 is 50212356.

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 653212050.

It is not an unprimeable number, because it can be changed into a prime (653212051) 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, 2177224 + ... + 2177523.

It is an arithmetic number, because the mean of its divisors is an integer number (67498594).

Almost surely, 2^653212050 is an apocalyptic number.

653212050 is an abundant number, since it is smaller than the sum of its proper divisors (966754206).

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

653212050 is a wasteful number, since it uses less digits than its factorization.

653212050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354762 (or 4354757 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 653212050 is about 25558.0134204519. The cubic root of 653212050 is about 867.6636349155.

The spelling of 653212050 in words is "six hundred fifty-three million, two hundred twelve thousand, fifty".