52130165 has 4 divisors (see below), whose sum is σ = 62556204. Its totient is φ = 41704128.

The previous prime is 52130149. The next prime is 52130179. The reversal of 52130165 is 56103125.

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 34774609 + 17355556 = 5897^2 + 4166^2 .

It is a cyclic number.

It is not a de Polignac number, because 52130165 - 2⁴ = 52130149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52130165.

It is a congruent 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, 5213012 + ... + 5213021.

It is an arithmetic number, because the mean of its divisors is an integer number (15639051).

Almost surely, 2^52130165 is an apocalyptic number.

It is an amenable number.

52130165 is a deficient number, since it is larger than the sum of its proper divisors (10426039).

52130165 is a wasteful number, since it uses less digits than its factorization.

52130165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10426038.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 52130165 is about 7220.1222288823. The cubic root of 52130165 is about 373.5622935632.

The spelling of 52130165 in words is "fifty-two million, one hundred thirty thousand, one hundred sixty-five".