652546621 has 16 divisors (see below), whose sum is σ = 710563840. Its totient is φ = 596982960.

The previous prime is 652546619. The next prime is 652546679. The reversal of 652546621 is 126645256.

652546621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 652546621 - 2¹ = 652546619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652546691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377866 + ... + 379588.

It is an arithmetic number, because the mean of its divisors is an integer number (44410240).

Almost surely, 2^652546621 is an apocalyptic number.

It is an amenable number.

652546621 is a deficient number, since it is larger than the sum of its proper divisors (58017219).

652546621 is a wasteful number, since it uses less digits than its factorization.

652546621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416.

The product of its digits is 86400, while the sum is 37.

The square root of 652546621 is about 25544.9920923848. The cubic root of 652546621 is about 867.3689043291.

The spelling of 652546621 in words is "six hundred fifty-two million, five hundred forty-six thousand, six hundred twenty-one".