652573685 has 4 divisors (see below), whose sum is σ = 783088428. Its totient is φ = 522058944.

The previous prime is 652573681. The next prime is 652573697. The reversal of 652573685 is 586375256.

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 80694289 + 571879396 = 8983^2 + 23914^2 .

It is a cyclic number.

It is not a de Polignac number, because 652573685 - 2² = 652573681 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 (652573681) 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, 65257364 + ... + 65257373.

It is an arithmetic number, because the mean of its divisors is an integer number (195772107).

Almost surely, 2^652573685 is an apocalyptic number.

It is an amenable number.

652573685 is a deficient number, since it is larger than the sum of its proper divisors (130514743).

652573685 is a wasteful number, since it uses less digits than its factorization.

652573685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130514742.

The product of its digits is 1512000, while the sum is 47.

The square root of 652573685 is about 25545.5218189020. The cubic root of 652573685 is about 867.3808953740.

The spelling of 652573685 in words is "six hundred fifty-two million, five hundred seventy-three thousand, six hundred eighty-five".