5204240 has 20 divisors (see below), whose sum is σ = 12100044. Its totient is φ = 2081664.

The previous prime is 5204239. The next prime is 5204257. The reversal of 5204240 is 424025.

It can be written as a sum of positive squares in 2 ways, for example, as 861184 + 4343056 = 928^2 + 2084^2 .

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

It is a super-2 number, since 2×5204240² = 54168227955200, which contains 22 as substring.

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, 32447 + ... + 32606.

Almost surely, 2^5204240 is an apocalyptic number.

It is an amenable number.

5204240 is an abundant number, since it is smaller than the sum of its proper divisors (6895804).

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

5204240 is a wasteful number, since it uses less digits than its factorization.

5204240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65066 (or 65060 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 5204240 is about 2281.2803422640. The cubic root of 5204240 is about 173.2948961450.

Adding to 5204240 its reverse (424025), we get a palindrome (5628265).

The spelling of 5204240 in words is "five million, two hundred four thousand, two hundred forty".