3521524013 has 6 divisors (see below), whose sum is σ = 4096466766. Its totient is φ = 3018449112.

The previous prime is 3521523983. The next prime is 3521524033. The reversal of 3521524013 is 3104251253.

It is a happy number.

3521524013 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 only one way, i.e., 2898422569 + 623101444 = 53837^2 + 24962^2 .

It is not a de Polignac number, because 3521524013 - 2¹⁶ = 3521458477 is a prime.

It is a super-2 number, since 2×3521524013² = 24802262748271248338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521524033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35933870 + ... + 35933967.

It is an arithmetic number, because the mean of its divisors is an integer number (682744461).

Almost surely, 2^3521524013 is an apocalyptic number.

It is an amenable number.

3521524013 is a deficient number, since it is larger than the sum of its proper divisors (574942753).

3521524013 is an equidigital number, since it uses as much as digits as its factorization.

3521524013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71867851 (or 71867844 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3521524013 is about 59342.4301238161. The cubic root of 3521524013 is about 1521.4004885754.

Adding to 3521524013 its reverse (3104251253), we get a palindrome (6625775266).

The spelling of 3521524013 in words is "three billion, five hundred twenty-one million, five hundred twenty-four thousand, thirteen".