52485257 has 8 divisors (see below), whose sum is σ = 57623232. Its totient is φ = 47408400.

The previous prime is 52485233. The next prime is 52485271. The reversal of 52485257 is 75258425.

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

It is a cyclic number.

It is not a de Polignac number, because 52485257 - 2²⁰ = 51436681 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 52485257.

It is not an unprimeable number, because it can be changed into a prime (52485227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13469 + ... + 16922.

It is an arithmetic number, because the mean of its divisors is an integer number (7202904).

Almost surely, 2^52485257 is an apocalyptic number.

It is an amenable number.

52485257 is a deficient number, since it is larger than the sum of its proper divisors (5137975).

52485257 is a wasteful number, since it uses less digits than its factorization.

52485257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30559.

The product of its digits is 112000, while the sum is 38.

The square root of 52485257 is about 7244.6709380068. The cubic root of 52485257 is about 374.4085657793.

The spelling of 52485257 in words is "fifty-two million, four hundred eighty-five thousand, two hundred fifty-seven".