652561633 has 4 divisors (see below), whose sum is σ = 653709060. Its totient is φ = 651414208.

The previous prime is 652561619. The next prime is 652561661. The reversal of 652561633 is 336165256.

652561633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 422220304 + 230341329 = 20548^2 + 15177^2 .

It is a cyclic number.

It is not a de Polignac number, because 652561633 - 2¹⁷ = 652430561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652561592 and 652561601.

It is not an unprimeable number, because it can be changed into a prime (652561603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572860 + ... + 573997.

It is an arithmetic number, because the mean of its divisors is an integer number (163427265).

Almost surely, 2^652561633 is an apocalyptic number.

It is an amenable number.

652561633 is a deficient number, since it is larger than the sum of its proper divisors (1147427).

652561633 is a wasteful number, since it uses less digits than its factorization.

652561633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147426.

The product of its digits is 97200, while the sum is 37.

The square root of 652561633 is about 25545.2859251957. The cubic root of 652561633 is about 867.3755556251.

The spelling of 652561633 in words is "six hundred fifty-two million, five hundred sixty-one thousand, six hundred thirty-three".