5240520 has 48 divisors (see below), whose sum is σ = 17032860. Its totient is φ = 1397376.

The previous prime is 5240509. The next prime is 5240533. The reversal of 5240520 is 250425.

It can be written as a sum of positive squares in 2 ways, for example, as 4901796 + 338724 = 2214^2 + 582^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 5240493 and 5240502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6919 + ... + 7638.

Almost surely, 2^5240520 is an apocalyptic number.

It is an amenable number.

5240520 is an abundant number, since it is smaller than the sum of its proper divisors (11792340).

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

5240520 is a wasteful number, since it uses less digits than its factorization.

5240520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14574 (or 14567 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 5240520 is about 2289.2182071616. The cubic root of 5240520 is about 173.6966573652.

Adding to 5240520 its reverse (250425), we get a palindrome (5490945).

It can be divided in two parts, 52405 and 20, that added together give a palindrome (52425).

The spelling of 5240520 in words is "five million, two hundred forty thousand, five hundred twenty".