3421512543 has 4 divisors (see below), whose sum is σ = 4562016728. Its totient is φ = 2281008360.

The previous prime is 3421512527. The next prime is 3421512551. The reversal of 3421512543 is 3452151243.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3421512543 - 2⁴ = 3421512527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3421512543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421512583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570252088 + ... + 570252093.

It is an arithmetic number, because the mean of its divisors is an integer number (1140504182).

Almost surely, 2^3421512543 is an apocalyptic number.

3421512543 is a deficient number, since it is larger than the sum of its proper divisors (1140504185).

3421512543 is a wasteful number, since it uses less digits than its factorization.

3421512543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140504184.

The product of its digits is 14400, while the sum is 30.

The square root of 3421512543 is about 58493.6966091219. The cubic root of 3421512543 is about 1506.8593323385.

Adding to 3421512543 its reverse (3452151243), we get a palindrome (6873663786).

The spelling of 3421512543 in words is "three billion, four hundred twenty-one million, five hundred twelve thousand, five hundred forty-three".