652698580 has 12 divisors (see below), whose sum is σ = 1370667060. Its totient is φ = 261079424.

The previous prime is 652698559. The next prime is 652698581. The reversal of 652698580 is 85896256.

It can be written as a sum of positive squares in 2 ways, for example, as 414366736 + 238331844 = 20356^2 + 15438^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652698581) 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 3 ways as a sum of consecutive naturals, for example, 16317445 + ... + 16317484.

It is an arithmetic number, because the mean of its divisors is an integer number (114222255).

Almost surely, 2^652698580 is an apocalyptic number.

It is an amenable number.

652698580 is an abundant number, since it is smaller than the sum of its proper divisors (717968480).

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

652698580 is a wasteful number, since it uses less digits than its factorization.

652698580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32634938 (or 32634936 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 652698580 is about 25547.9662595675. The cubic root of 652698580 is about 867.4362273766.

The spelling of 652698580 in words is "six hundred fifty-two million, six hundred ninety-eight thousand, five hundred eighty".