3531445825 has 24 divisors (see below), whose sum is σ = 4490634456. Its totient is φ = 2753280000.

The previous prime is 3531445787. The next prime is 3531445843. The reversal of 3531445825 is 5285441353.

3531445825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 1874630209 + 1656815616 = 43297^2 + 40704^2 .

It is not a de Polignac number, because 3531445825 - 2¹¹ = 3531443777 is a prime.

It is a super-2 number, since 2×3531445825² = 24942219229819861250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1845069 + ... + 1846981.

It is an arithmetic number, because the mean of its divisors is an integer number (187109769).

Almost surely, 2^3531445825 is an apocalyptic number.

It is an amenable number.

3531445825 is a deficient number, since it is larger than the sum of its proper divisors (959188631).

3531445825 is a wasteful number, since it uses less digits than its factorization.

3531445825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3765 (or 3760 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

The square root of 3531445825 is about 59425.9692811148. The cubic root of 3531445825 is about 1522.8279855972.

The spelling of 3531445825 in words is "three billion, five hundred thirty-one million, four hundred forty-five thousand, eight hundred twenty-five".