652650907 has 8 divisors (see below), whose sum is σ = 659481680. Its totient is φ = 645835680.

The previous prime is 652650899. The next prime is 652650913. The reversal of 652650907 is 709056256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 652650907 - 2³ = 652650899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 652650907.

It is not an unprimeable number, because it can be changed into a prime (652650917) 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 7 ways as a sum of consecutive naturals, for example, 92857 + ... + 99637.

It is an arithmetic number, because the mean of its divisors is an integer number (82435210).

Almost surely, 2^652650907 is an apocalyptic number.

652650907 is a deficient number, since it is larger than the sum of its proper divisors (6830773).

652650907 is a wasteful number, since it uses less digits than its factorization.

652650907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7773.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 652650907 is about 25547.0332328433. The cubic root of 652650907 is about 867.4151077279.

The spelling of 652650907 in words is "six hundred fifty-two million, six hundred fifty thousand, nine hundred seven".