652506525 has 72 divisors (see below), whose sum is σ = 1319067360. Its totient is φ = 305424000.

The previous prime is 652506523. The next prime is 652506541. The reversal of 652506525 is 525605256.

It is not a de Polignac number, because 652506525 - 2¹ = 652506523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 652506525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652506521) 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 71 ways as a sum of consecutive naturals, for example, 67230 + ... + 76320.

It is an arithmetic number, because the mean of its divisors is an integer number (18320380).

Almost surely, 2^652506525 is an apocalyptic number.

It is an amenable number.

652506525 is an abundant number, since it is smaller than the sum of its proper divisors (666560835).

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

652506525 is a wasteful number, since it uses less digits than its factorization.

652506525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 652506525 is about 25544.2072689680. The cubic root of 652506525 is about 867.3511386835.

The spelling of 652506525 in words is "six hundred fifty-two million, five hundred six thousand, five hundred twenty-five".