6013540 has 48 divisors (see below), whose sum is σ = 13794480. Its totient is φ = 2188800.

The previous prime is 6013537. The next prime is 6013541. The reversal of 6013540 is 453106.

It can be written as a sum of positive squares in 8 ways, for example, as 481636 + 5531904 = 694^2 + 2352^2 .

It is not an unprimeable number, because it can be changed into a prime (6013541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26146 + ... + 26374.

It is an arithmetic number, because the mean of its divisors is an integer number (287385).

Almost surely, 2^6013540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6013540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6897240).

6013540 is an abundant number, since it is smaller than the sum of its proper divisors (7780940).

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

6013540 is a wasteful number, since it uses less digits than its factorization.

6013540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 6013540 is about 2452.2520261996. The cubic root of 6013540 is about 181.8486444413.

Adding to 6013540 its reverse (453106), we get a palindrome (6466646).

The spelling of 6013540 in words is "six million, thirteen thousand, five hundred forty".