52539065 has 4 divisors (see below), whose sum is σ = 63046884. Its totient is φ = 42031248.

The previous prime is 52539043. The next prime is 52539121. The reversal of 52539065 is 56093525.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23551609 + 28987456 = 4853^2 + 5384^2 .

It is a cyclic number.

It is not a de Polignac number, because 52539065 - 2²⁰ = 51490489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5253902 + ... + 5253911.

It is an arithmetic number, because the mean of its divisors is an integer number (15761721).

Almost surely, 2^52539065 is an apocalyptic number.

It is an amenable number.

52539065 is a deficient number, since it is larger than the sum of its proper divisors (10507819).

52539065 is a wasteful number, since it uses less digits than its factorization.

52539065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10507818.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 52539065 is about 7248.3836129167. The cubic root of 52539065 is about 374.5364702395.

The spelling of 52539065 in words is "fifty-two million, five hundred thirty-nine thousand, sixty-five".