652115605 has 12 divisors (see below), whose sum is σ = 810458532. Its totient is φ = 503699840.

The previous prime is 652115603. The next prime is 652115621. The reversal of 652115605 is 506511256.

It can be written as a sum of positive squares in 6 ways, for example, as 54508689 + 597606916 = 7383^2 + 24446^2 .

It is not a de Polignac number, because 652115605 - 2¹ = 652115603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652115603) 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 11 ways as a sum of consecutive naturals, for example, 73336 + ... + 81745.

It is an arithmetic number, because the mean of its divisors is an integer number (67538211).

Almost surely, 2^652115605 is an apocalyptic number.

It is an amenable number.

652115605 is a deficient number, since it is larger than the sum of its proper divisors (158342927).

652115605 is a wasteful number, since it uses less digits than its factorization.

652115605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155144 (or 155115 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 652115605 is about 25536.5542898802. The cubic root of 652115605 is about 867.1778925787.

The spelling of 652115605 in words is "six hundred fifty-two million, one hundred fifteen thousand, six hundred five".