5312540 has 24 divisors (see below), whose sum is σ = 11642400. Its totient is φ = 2032448.

The previous prime is 5312519. The next prime is 5312557. The reversal of 5312540 is 452135.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5315 + ... + 6234.

It is an arithmetic number, because the mean of its divisors is an integer number (485100).

Almost surely, 2^5312540 is an apocalyptic number.

It is an amenable number.

5312540 is an abundant number, since it is smaller than the sum of its proper divisors (6329860).

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

5312540 is a wasteful number, since it uses less digits than its factorization.

5312540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581 (or 11579 counting only the distinct ones).

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

The square root of 5312540 is about 2304.8947915252. The cubic root of 5312540 is about 174.4887391030.

Adding to 5312540 its reverse (452135), we get a palindrome (5764675).

The spelling of 5312540 in words is "five million, three hundred twelve thousand, five hundred forty".