65875539 has 8 divisors (see below), whose sum is σ = 89145280. Its totient is φ = 43261416.

The previous prime is 65875507. The next prime is 65875541. The reversal of 65875539 is 93557856.

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

It is not a de Polignac number, because 65875539 - 2⁵ = 65875507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65875939) 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, 163669 + ... + 164070.

It is an arithmetic number, because the mean of its divisors is an integer number (11143160).

Almost surely, 2^65875539 is an apocalyptic number.

65875539 is a deficient number, since it is larger than the sum of its proper divisors (23269741).

65875539 is a wasteful number, since it uses less digits than its factorization.

65875539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327809.

The product of its digits is 1134000, while the sum is 48.

The square root of 65875539 is about 8116.3747449215. The cubic root of 65875539 is about 403.8698135408.

The spelling of 65875539 in words is "sixty-five million, eight hundred seventy-five thousand, five hundred thirty-nine".