52385261 has 4 divisors (see below), whose sum is σ = 55142400. Its totient is φ = 49628124.

The previous prime is 52385243. The next prime is 52385297. The reversal of 52385261 is 16258325.

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 a de Polignac number, because none of the positive numbers 2^k-52385261 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 (52385231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1378541 + ... + 1378578.

It is an arithmetic number, because the mean of its divisors is an integer number (13785600).

Almost surely, 2^52385261 is an apocalyptic number.

It is an amenable number.

52385261 is a deficient number, since it is larger than the sum of its proper divisors (2757139).

52385261 is a wasteful number, since it uses less digits than its factorization.

52385261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757138.

The product of its digits is 14400, while the sum is 32.

The square root of 52385261 is about 7237.7662990732. The cubic root of 52385261 is about 374.1706376255.

The spelling of 52385261 in words is "fifty-two million, three hundred eighty-five thousand, two hundred sixty-one".