5209520 has 20 divisors (see below), whose sum is σ = 12112320. Its totient is φ = 2083776.

The previous prime is 5209517. The next prime is 5209537. The reversal of 5209520 is 259025.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32480 + ... + 32639.

It is an arithmetic number, because the mean of its divisors is an integer number (605616).

Almost surely, 2^5209520 is an apocalyptic number.

It is an amenable number.

5209520 is an abundant number, since it is smaller than the sum of its proper divisors (6902800).

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

5209520 is a wasteful number, since it uses less digits than its factorization.

5209520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65132 (or 65126 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5209520 is about 2282.4372937717. The cubic root of 5209520 is about 173.3534822074.

The spelling of 5209520 in words is "five million, two hundred nine thousand, five hundred twenty".