52513523 has 4 divisors (see below), whose sum is σ = 53630880. Its totient is φ = 51396168.

The previous prime is 52513507. The next prime is 52513529. The reversal of 52513523 is 32531525.

52513523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52513523 - 2⁴ = 52513507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52513492 and 52513501.

It is not an unprimeable number, because it can be changed into a prime (52513529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558608 + ... + 558701.

It is an arithmetic number, because the mean of its divisors is an integer number (13407720).

Almost surely, 2^52513523 is an apocalyptic number.

52513523 is a deficient number, since it is larger than the sum of its proper divisors (1117357).

52513523 is a wasteful number, since it uses less digits than its factorization.

52513523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117356.

The product of its digits is 4500, while the sum is 26.

The square root of 52513523 is about 7246.6214886663. The cubic root of 52513523 is about 374.4757664490.

The spelling of 52513523 in words is "fifty-two million, five hundred thirteen thousand, five hundred twenty-three".