652005086437 has 4 divisors (see below), whose sum is σ = 652007554380. Its totient is φ = 652002618496.

The previous prime is 652005086413. The next prime is 652005086483. The reversal of 652005086437 is 734680500256.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 641899006596 + 10106079841 = 801186^2 + 100529^2 .

It is a cyclic number.

It is not a de Polignac number, because 652005086437 - 2³⁵ = 617645348069 is a prime.

It is a super-3 number, since 3×652005086437³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652005086237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782668 + ... + 1384405.

It is an arithmetic number, because the mean of its divisors is an integer number (163001888595).

Almost surely, 2^652005086437 is an apocalyptic number.

It is an amenable number.

652005086437 is a deficient number, since it is larger than the sum of its proper divisors (2467943).

652005086437 is a wasteful number, since it uses less digits than its factorization.

652005086437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467942.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 652005086437 in words is "six hundred fifty-two billion, five million, eighty-six thousand, four hundred thirty-seven".