652109272 has 16 divisors (see below), whose sum is σ = 1235311560. Its totient is φ = 322692864.

The previous prime is 652109267. The next prime is 652109281. The reversal of 652109272 is 272901256.

It is an alternating number because its digits alternate between even and odd.

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 3 ways as a sum of consecutive naturals, for example, 419398 + ... + 420949.

Almost surely, 2^652109272 is an apocalyptic number.

It is an amenable number.

652109272 is a deficient number, since it is larger than the sum of its proper divisors (583202288).

652109272 is a wasteful number, since it uses less digits than its factorization.

652109272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840450 (or 840446 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 652109272 is about 25536.4302908609. The cubic root of 652109272 is about 867.1750853794.

The spelling of 652109272 in words is "six hundred fifty-two million, one hundred nine thousand, two hundred seventy-two".