5206520 has 32 divisors (see below), whose sum is σ = 12780720. Its totient is φ = 1893120.

The previous prime is 5206511. The next prime is 5206541. The reversal of 5206520 is 256025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 5206492 and 5206501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5477 + ... + 6356.

Almost surely, 2^5206520 is an apocalyptic number.

It is an amenable number.

5206520 is an abundant number, since it is smaller than the sum of its proper divisors (7574200).

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

5206520 is a wasteful number, since it uses less digits than its factorization.

5206520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11855 (or 11851 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 5206520 is about 2281.7800069244. The cubic root of 5206520 is about 173.3201995308.

The spelling of 5206520 in words is "five million, two hundred six thousand, five hundred twenty".