3531522512 has 80 divisors (see below), whose sum is σ = 8076566400. Its totient is φ = 1495081728.

The previous prime is 3531522509. The next prime is 3531522539. The reversal of 3531522512 is 2152251353.

3531522512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451628 + ... + 459380.

It is an arithmetic number, because the mean of its divisors is an integer number (100957080).

Almost surely, 2^3531522512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3531522512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4038283200).

3531522512 is an abundant number, since it is smaller than the sum of its proper divisors (4545043888).

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

3531522512 is an equidigital number, since it uses as much as digits as its factorization.

3531522512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7865 (or 7845 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 3531522512 is about 59426.6145089892. The cubic root of 3531522512 is about 1522.8390084918.

Adding to 3531522512 its reverse (2152251353), we get a palindrome (5683773865).

The spelling of 3531522512 in words is "three billion, five hundred thirty-one million, five hundred twenty-two thousand, five hundred twelve".