52505135 has 4 divisors (see below), whose sum is σ = 63006168. Its totient is φ = 42004104.

The previous prime is 52505119. The next prime is 52505137. The reversal of 52505135 is 53150525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52505135 - 2⁴ = 52505119 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 (52505137) 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, 5250509 + ... + 5250518.

It is an arithmetic number, because the mean of its divisors is an integer number (15751542).

Almost surely, 2^52505135 is an apocalyptic number.

52505135 is a deficient number, since it is larger than the sum of its proper divisors (10501033).

52505135 is a wasteful number, since it uses less digits than its factorization.

52505135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501032.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 52505135 is about 7246.0427130952. The cubic root of 52505135 is about 374.4558270136.

The spelling of 52505135 in words is "fifty-two million, five hundred five thousand, one hundred thirty-five".