1013544252 has 144 divisors (see below), whose sum is σ = 3056947712. Its totient is φ = 287634240.

The previous prime is 1013544251. The next prime is 1013544253. The reversal of 1013544252 is 2524453101.

It is an interprime number because it is at equal distance from previous prime (1013544251) and next prime (1013544253).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013544251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1231113 + ... + 1231935.

Almost surely, 2^1013544252 is an apocalyptic number.

1013544252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013544252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528473856).

1013544252 is an abundant number, since it is smaller than the sum of its proper divisors (2043403460).

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

1013544252 is a wasteful number, since it uses less digits than its factorization.

1013544252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1013544252 is about 31836.2097618419. The cubic root of 1013544252 is about 1004.4945196952.

Adding to 1013544252 its reverse (2524453101), we get a palindrome (3537997353).

The spelling of 1013544252 in words is "one billion, thirteen million, five hundred forty-four thousand, two hundred fifty-two".