3521343145 has 8 divisors (see below), whose sum is σ = 4226773320. Its totient is φ = 2816300160.

The previous prime is 3521343043. The next prime is 3521343151. The reversal of 3521343145 is 5413431253.

It can be written as a sum of positive squares in 4 ways, for example, as 85155984 + 3436187161 = 9228^2 + 58619^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3521343145 - 2¹³ = 3521334953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76396 + ... + 113485.

It is an arithmetic number, because the mean of its divisors is an integer number (528346665).

Almost surely, 2^3521343145 is an apocalyptic number.

It is an amenable number.

3521343145 is a deficient number, since it is larger than the sum of its proper divisors (705430175).

3521343145 is a wasteful number, since it uses less digits than its factorization.

3521343145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193595.

The product of its digits is 21600, while the sum is 31.

The square root of 3521343145 is about 59340.9061693534. The cubic root of 3521343145 is about 1521.3744413892.

Adding to 3521343145 its reverse (5413431253), we get a palindrome (8934774398).

The spelling of 3521343145 in words is "three billion, five hundred twenty-one million, three hundred forty-three thousand, one hundred forty-five".