653815652 has 12 divisors (see below), whose sum is σ = 1307631360. Its totient is φ = 280206696.

The previous prime is 653815609. The next prime is 653815697. The reversal of 653815652 is 256518356.

653815652 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 11675252 + ... + 11675307.

It is an arithmetic number, because the mean of its divisors is an integer number (108969280).

Almost surely, 2^653815652 is an apocalyptic number.

It is an amenable number.

653815652 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.

653815652 is a wasteful number, since it uses less digits than its factorization.

653815652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23350570 (or 23350568 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 653815652 is about 25569.8191624423. The cubic root of 653815652 is about 867.9308081212.

The spelling of 653815652 in words is "six hundred fifty-three million, eight hundred fifteen thousand, six hundred fifty-two".