1013544 has 48 divisors (see below), whose sum is σ = 3138720. Its totient is φ = 289440.

The previous prime is 1013533. The next prime is 1013563. The reversal of 1013544 is 4453101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 502 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (65390).

2^1013544 is an apocalyptic number.

1013544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1013544 is an abundant number, since it is smaller than the sum of its proper divisors (2125176).

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

1013544 is a wasteful number, since it uses less digits than its factorization.

1013544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1013544 is about 1006.7492239878. The cubic root of 1013544 is about 100.4494436445.

Adding to 1013544 its reverse (4453101), we get a palindrome (5466645).

The spelling of 1013544 in words is "one million, thirteen thousand, five hundred forty-four".