2001305532 has 48 divisors (see below), whose sum is σ = 4876526592. Its totient is φ = 637602240.

The previous prime is 2001305491. The next prime is 2001305539. The reversal of 2001305532 is 2355031002.

It is a junction number, because it is equal to n+sod(n) for n = 2001305499 and 2001305508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001305539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549357 + ... + 552987.

It is an arithmetic number, because the mean of its divisors is an integer number (101594304).

Almost surely, 2^2001305532 is an apocalyptic number.

It is an amenable number.

2001305532 is an abundant number, since it is smaller than the sum of its proper divisors (2875221060).

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

2001305532 is a wasteful number, since it uses less digits than its factorization.

2001305532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658 (or 5656 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2001305532 is about 44735.9534602762. The cubic root of 2001305532 is about 1260.1951348071.

Adding to 2001305532 its reverse (2355031002), we get a palindrome (4356336534).

The spelling of 2001305532 in words is "two billion, one million, three hundred five thousand, five hundred thirty-two".