5209524 has 18 divisors (see below), whose sum is σ = 13168610. Its totient is φ = 1736496.

The previous prime is 5209517. The next prime is 5209537. The reversal of 5209524 is 4259025.

5209524 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3305124 + 1904400 = 1818^2 + 1380^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72319 + ... + 72390.

Almost surely, 2^5209524 is an apocalyptic number.

It is an amenable number.

5209524 is an abundant number, since it is smaller than the sum of its proper divisors (7959086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5209524 is a wasteful number, since it uses less digits than its factorization.

5209524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144719 (or 144714 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5209524 is about 2282.4381700278. The cubic root of 5209524 is about 173.3535265757.

The spelling of 5209524 in words is "five million, two hundred nine thousand, five hundred twenty-four".