5312240 has 20 divisors (see below), whose sum is σ = 12351144. Its totient is φ = 2124864.

The previous prime is 5312233. The next prime is 5312261. The reversal of 5312240 is 422135.

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, 33122 + ... + 33281.

Almost surely, 2^5312240 is an apocalyptic number.

It is an amenable number.

5312240 is an abundant number, since it is smaller than the sum of its proper divisors (7038904).

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

5312240 is a wasteful number, since it uses less digits than its factorization.

5312240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66416 (or 66410 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 5312240 is about 2304.8297117141. The cubic root of 5312240 is about 174.4854545720.

Adding to 5312240 its reverse (422135), we get a palindrome (5734375).

The spelling of 5312240 in words is "five million, three hundred twelve thousand, two hundred forty".