65052861 has 4 divisors (see below), whose sum is σ = 86737152. Its totient is φ = 43368572.

The previous prime is 65052847. The next prime is 65052917. The reversal of 65052861 is 16825056.

65052861 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, 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 65052861 - 2¹⁰ = 65051837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65052821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10842141 + ... + 10842146.

It is an arithmetic number, because the mean of its divisors is an integer number (21684288).

Almost surely, 2^65052861 is an apocalyptic number.

It is an amenable number.

65052861 is a deficient number, since it is larger than the sum of its proper divisors (21684291).

65052861 is a wasteful number, since it uses less digits than its factorization.

65052861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21684290.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 65052861 is about 8065.5353821058. The cubic root of 65052861 is about 402.1815409844.

The spelling of 65052861 in words is "sixty-five million, fifty-two thousand, eight hundred sixty-one".