52852309 has 4 divisors (see below), whose sum is σ = 52873504. Its totient is φ = 52831116.

The previous prime is 52852301. The next prime is 52852333. The reversal of 52852309 is 90325825.

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 52852309 - 2³ = 52852301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52852301) 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, 6267 + ... + 12040.

It is an arithmetic number, because the mean of its divisors is an integer number (13218376).

Almost surely, 2^52852309 is an apocalyptic number.

It is an amenable number.

52852309 is a deficient number, since it is larger than the sum of its proper divisors (21195).

52852309 is a wasteful number, since it uses less digits than its factorization.

52852309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21194.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 52852309 is about 7269.9593533939. The cubic root of 52852309 is about 375.2793391267.

The spelling of 52852309 in words is "fifty-two million, eight hundred fifty-two thousand, three hundred nine".