3513505421 has 8 divisors (see below), whose sum is σ = 3556820160. Its totient is φ = 3470276128.

The previous prime is 3513505343. The next prime is 3513505423. The reversal of 3513505421 is 1245053153.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3513505421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3513505423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63440 + ... + 105126.

It is an arithmetic number, because the mean of its divisors is an integer number (444602520).

Almost surely, 2^3513505421 is an apocalyptic number.

It is an amenable number.

3513505421 is a deficient number, since it is larger than the sum of its proper divisors (43314739).

3513505421 is an equidigital number, since it uses as much as digits as its factorization.

3513505421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42723.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 3513505421 is about 59274.8295737744. The cubic root of 3513505421 is about 1520.2448562431.

Adding to 3513505421 its reverse (1245053153), we get a palindrome (4758558574).

The spelling of 3513505421 in words is "three billion, five hundred thirteen million, five hundred five thousand, four hundred twenty-one".