5213540 has 12 divisors (see below), whose sum is σ = 10948476. Its totient is φ = 2085408.

The previous prime is 5213539. The next prime is 5213561. The reversal of 5213540 is 453125.

It can be written as a sum of positive squares in 2 ways, for example, as 2951524 + 2262016 = 1718^2 + 1504^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 260677 = 5213540 / (5 + 2 + 1 + 3 + 5 + 4 + 0).

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, 130319 + ... + 130358.

It is an arithmetic number, because the mean of its divisors is an integer number (912373).

Almost surely, 2^5213540 is an apocalyptic number.

It is an amenable number.

5213540 is an abundant number, since it is smaller than the sum of its proper divisors (5734936).

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

5213540 is a wasteful number, since it uses less digits than its factorization.

5213540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260686 (or 260684 counting only the distinct ones).

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

The square root of 5213540 is about 2283.3177615041. The cubic root of 5213540 is about 173.3980609672.

Adding to 5213540 its reverse (453125), we get a palindrome (5666665).

The spelling of 5213540 in words is "five million, two hundred thirteen thousand, five hundred forty".