652955109 has 4 divisors (see below), whose sum is σ = 870606816. Its totient is φ = 435303404.

The previous prime is 652955089. The next prime is 652955123. The reversal of 652955109 is 901559256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652955109 - 2¹⁷ = 652824037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652955189) 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, 108825849 + ... + 108825854.

It is an arithmetic number, because the mean of its divisors is an integer number (217651704).

Almost surely, 2^652955109 is an apocalyptic number.

It is an amenable number.

652955109 is a deficient number, since it is larger than the sum of its proper divisors (217651707).

652955109 is a wasteful number, since it uses less digits than its factorization.

652955109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217651706.

The product of its (nonzero) digits is 121500, while the sum is 42.

The square root of 652955109 is about 25552.9863029745. The cubic root of 652955109 is about 867.5498548143.

The spelling of 652955109 in words is "six hundred fifty-two million, nine hundred fifty-five thousand, one hundred nine".