52585321 has 4 divisors (see below), whose sum is σ = 52636500. Its totient is φ = 52534144.

The previous prime is 52585319. The next prime is 52585327. The reversal of 52585321 is 12358525.

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 49505296 + 3080025 = 7036^2 + 1755^2 .

It is a cyclic number.

It is not a de Polignac number, because 52585321 - 2¹ = 52585319 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52585327) 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, 24016 + ... + 26113.

It is an arithmetic number, because the mean of its divisors is an integer number (13159125).

Almost surely, 2^52585321 is an apocalyptic number.

It is an amenable number.

52585321 is a deficient number, since it is larger than the sum of its proper divisors (51179).

52585321 is a wasteful number, since it uses less digits than its factorization.

52585321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51178.

The product of its digits is 12000, while the sum is 31.

The square root of 52585321 is about 7251.5736912756. The cubic root of 52585321 is about 374.6463534106.

The spelling of 52585321 in words is "fifty-two million, five hundred eighty-five thousand, three hundred twenty-one".