653206652 has 18 divisors (see below), whose sum is σ = 1329742512. Its totient is φ = 279945624.

The previous prime is 653206649. The next prime is 653206669. The reversal of 653206652 is 256602356.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1666148 + ... + 1666539.

It is an arithmetic number, because the mean of its divisors is an integer number (73874584).

Almost surely, 2^653206652 is an apocalyptic number.

It is an amenable number.

653206652 is an abundant number, since it is smaller than the sum of its proper divisors (676535860).

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

653206652 is a wasteful number, since it uses less digits than its factorization.

653206652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332705 (or 3332696 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 653206652 is about 25557.9078173469. The cubic root of 653206652 is about 867.6612448487.

The spelling of 653206652 in words is "six hundred fifty-three million, two hundred six thousand, six hundred fifty-two".