3521351412 has 36 divisors (see below), whose sum is σ = 8929660740. Its totient is φ = 1170029952.

The previous prime is 3521351401. The next prime is 3521351417. The reversal of 3521351412 is 2141531253.

3521351412 is a `hidden beast` number, since 35 + 213 + 5 + 1 + 412 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 317338596 + 3204012816 = 17814^2 + 56604^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521351417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144987 + ... + 167522.

Almost surely, 2^3521351412 is an apocalyptic number.

It is an amenable number.

3521351412 is an abundant number, since it is smaller than the sum of its proper divisors (5408309328).

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

3521351412 is a wasteful number, since it uses less digits than its factorization.

3521351412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312832 (or 312827 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 3521351412 is about 59340.9758261524. The cubic root of 3521351412 is about 1521.3756319570.

Adding to 3521351412 its reverse (2141531253), we get a palindrome (5662882665).

The spelling of 3521351412 in words is "three billion, five hundred twenty-one million, three hundred fifty-one thousand, four hundred twelve".