652530561 has 8 divisors (see below), whose sum is σ = 870406944. Its totient is φ = 434837280.

The previous prime is 652530553. The next prime is 652530577. The reversal of 652530561 is 165035256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 652530561 - 2³ = 652530553 is a prime.

It is a super-2 number, since 2×652530561² = 851592266077949442, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (652530511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37231 + ... + 51876.

It is an arithmetic number, because the mean of its divisors is an integer number (108800868).

Almost surely, 2^652530561 is an apocalyptic number.

It is an amenable number.

652530561 is a deficient number, since it is larger than the sum of its proper divisors (217876383).

652530561 is a wasteful number, since it uses less digits than its factorization.

652530561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91551.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 652530561 is about 25544.6777431229. The cubic root of 652530561 is about 867.3617885877.

The spelling of 652530561 in words is "six hundred fifty-two million, five hundred thirty thousand, five hundred sixty-one".