652921245 has 24 divisors (see below), whose sum is σ = 1158052896. Its totient is φ = 340125408.

The previous prime is 652921219. The next prime is 652921249. The reversal of 652921245 is 542129256.

652921245 is a `hidden beast` number, since 6 + 529 + 2 + 124 + 5 = 666.

It is not a de Polignac number, because 652921245 - 2⁹ = 652920733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652921249) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 166779 + ... + 170648.

It is an arithmetic number, because the mean of its divisors is an integer number (48252204).

Almost surely, 2^652921245 is an apocalyptic number.

It is an amenable number.

652921245 is a deficient number, since it is larger than the sum of its proper divisors (505131651).

652921245 is a wasteful number, since it uses less digits than its factorization.

652921245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337481 (or 337478 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 652921245 is about 25552.3236712437. The cubic root of 652921245 is about 867.5348567357.

The spelling of 652921245 in words is "six hundred fifty-two million, nine hundred twenty-one thousand, two hundred forty-five".