1013445052 has 24 divisors (see below), whose sum is σ = 1820659680. Its totient is φ = 493309440.

The previous prime is 1013445019. The next prime is 1013445053. The reversal of 1013445052 is 2505443101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013445053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73524 + ... + 86212.

It is an arithmetic number, because the mean of its divisors is an integer number (75860820).

Almost surely, 2^1013445052 is an apocalyptic number.

It is an amenable number.

1013445052 is a deficient number, since it is larger than the sum of its proper divisors (807214628).

1013445052 is a wasteful number, since it uses less digits than its factorization.

1013445052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13221 (or 13219 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1013445052 is about 31834.6517493124. The cubic root of 1013445052 is about 1004.4617472049.

Adding to 1013445052 its reverse (2505443101), we get a palindrome (3518888153).

The spelling of 1013445052 in words is "one billion, thirteen million, four hundred forty-five thousand, fifty-two".