652121304 has 16 divisors (see below), whose sum is σ = 1630303320. Its totient is φ = 217373760.

The previous prime is 652121303. The next prime is 652121311. The reversal of 652121304 is 403121256.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 27171721 = 652121304 / (6 + 5 + 2 + 1 + 2 + 1 + 3 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652121303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13585837 + ... + 13585884.

Almost surely, 2^652121304 is an apocalyptic number.

It is an amenable number.

652121304 is an abundant number, since it is smaller than the sum of its proper divisors (978182016).

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

652121304 is a wasteful number, since it uses less digits than its factorization.

652121304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27171730 (or 27171726 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 652121304 is about 25536.6658747770. The cubic root of 652121304 is about 867.1804187322.

The spelling of 652121304 in words is "six hundred fifty-two million, one hundred twenty-one thousand, three hundred four".