2013544 has 32 divisors (see below), whose sum is σ = 4284000. Its totient is φ = 879552.

The previous prime is 2013541. The next prime is 2013553. The reversal of 2013544 is 4453102.

2013544 is nontrivially palindromic in base 3.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (2013541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467 + ... + 2485.

It is an arithmetic number, because the mean of its divisors is an integer number (133875).

2^2013544 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 2013544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142000).

2013544 is an abundant number, since it is smaller than the sum of its proper divisors (2270456).

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

2013544 is a wasteful number, since it uses less digits than its factorization.

2013544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2013544 is about 1418.9940098535. The cubic root of 2013544 is about 126.2758715728.

Adding to 2013544 its reverse (4453102), we get a palindrome (6466646).

The spelling of 2013544 in words is "two million, thirteen thousand, five hundred forty-four".