652570517 has 16 divisors (see below), whose sum is σ = 717666480. Its totient is φ = 590819328.

The previous prime is 652570511. The next prime is 652570601. The reversal of 652570517 is 715075256.

It can be written as a sum of positive squares in 8 ways, for example, as 68574961 + 583995556 = 8281^2 + 24166^2 .

It is a cyclic number.

It is not a de Polignac number, because 652570517 - 2¹⁰ = 652569493 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 (652570511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50153 + ... + 61809.

It is an arithmetic number, because the mean of its divisors is an integer number (44854155).

Almost surely, 2^652570517 is an apocalyptic number.

It is an amenable number.

652570517 is a deficient number, since it is larger than the sum of its proper divisors (65095963).

652570517 is a wasteful number, since it uses less digits than its factorization.

652570517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11800.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 652570517 is about 25545.4598118726. The cubic root of 652570517 is about 867.3794917689.

The spelling of 652570517 in words is "six hundred fifty-two million, five hundred seventy thousand, five hundred seventeen".