3243432515 has 8 divisors (see below), whose sum is σ = 4061341728. Its totient is φ = 2481930880.

The previous prime is 3243432503. The next prime is 3243432527. The reversal of 3243432515 is 5152343423.

It is an interprime number because it is at equal distance from previous prime (3243432503) and next prime (3243432527).

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

It is a de Polignac number, because none of the positive numbers 2^k-3243432515 is a prime.

It is a Duffinian number.

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, 14101766 + ... + 14101995.

It is an arithmetic number, because the mean of its divisors is an integer number (507667716).

Almost surely, 2^3243432515 is an apocalyptic number.

3243432515 is a deficient number, since it is larger than the sum of its proper divisors (817909213).

3243432515 is a wasteful number, since it uses less digits than its factorization.

3243432515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28203789.

The product of its digits is 43200, while the sum is 32.

The square root of 3243432515 is about 56951.1414723182. The cubic root of 3243432515 is about 1480.2496101700.

Adding to 3243432515 its reverse (5152343423), we get a palindrome (8395775938).

The spelling of 3243432515 in words is "three billion, two hundred forty-three million, four hundred thirty-two thousand, five hundred fifteen".