652641705 has 80 divisors (see below), whose sum is σ = 1216630800. Its totient is φ = 334430208.

The previous prime is 652641701. The next prime is 652641739. The reversal of 652641705 is 507146256.

It is a happy number.

652641705 is a `hidden beast` number, since 6 + 5 + 2 + 641 + 7 + 0 + 5 = 666.

652641705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 22581504 + 630060201 = 4752^2 + 25101^2 .

It is not a de Polignac number, because 652641705 - 2² = 652641701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 652641705.

It is not an unprimeable number, because it can be changed into a prime (652641701) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1453321 + ... + 1453769.

It is an arithmetic number, because the mean of its divisors is an integer number (15207885).

Almost surely, 2^652641705 is an apocalyptic number.

It is an amenable number.

652641705 is a deficient number, since it is larger than the sum of its proper divisors (563989095).

652641705 is a wasteful number, since it uses less digits than its factorization.

652641705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 652641705 is about 25546.8531330182. The cubic root of 652641705 is about 867.4110310251.

The spelling of 652641705 in words is "six hundred fifty-two million, six hundred forty-one thousand, seven hundred five".