3521975041 has 12 divisors (see below), whose sum is σ = 3816341292. Its totient is φ = 3248833536.

The previous prime is 3521975029. The next prime is 3521975047. The reversal of 3521975041 is 1405791253.

It can be written as a sum of positive squares in 6 ways, for example, as 189337600 + 3332637441 = 13760^2 + 57729^2 .

It is not a de Polignac number, because 3521975041 - 2⁷ = 3521974913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3521975047) 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, 273745 + ... + 286321.

It is an arithmetic number, because the mean of its divisors is an integer number (318028441).

Almost surely, 2^3521975041 is an apocalyptic number.

It is an amenable number.

3521975041 is a deficient number, since it is larger than the sum of its proper divisors (294366251).

3521975041 is a wasteful number, since it uses less digits than its factorization.

3521975041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14260 (or 14247 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 3521975041 is about 59346.2302172598. The cubic root of 3521975041 is about 1521.4654381942.

The spelling of 3521975041 in words is "three billion, five hundred twenty-one million, nine hundred seventy-five thousand, forty-one".