1013521326 has 16 divisors (see below), whose sum is σ = 2028144000. Its totient is φ = 337656888.

The previous prime is 1013521303. The next prime is 1013521357. The reversal of 1013521326 is 6231253101.

It is a junction number, because it is equal to n+sod(n) for n = 1013521296 and 1013521305.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33676 + ... + 56223.

It is an arithmetic number, because the mean of its divisors is an integer number (126759000).

Almost surely, 2^1013521326 is an apocalyptic number.

1013521326 is an abundant number, since it is smaller than the sum of its proper divisors (1014622674).

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

1013521326 is a wasteful number, since it uses less digits than its factorization.

1013521326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91783.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1013521326 is about 31835.8496980998. The cubic root of 1013521326 is about 1004.4869458720.

Adding to 1013521326 its reverse (6231253101), we get a palindrome (7244774427).

The spelling of 1013521326 in words is "one billion, thirteen million, five hundred twenty-one thousand, three hundred twenty-six".