3215252513 has 32 divisors (see below), whose sum is σ = 3736018944. Its totient is φ = 2739600000.

The previous prime is 3215252497. The next prime is 3215252527. The reversal of 3215252513 is 3152525123.

It is a cyclic number.

It is not a de Polignac number, because 3215252513 - 2⁴ = 3215252497 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3215272513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2110370 + ... + 2111892.

It is an arithmetic number, because the mean of its divisors is an integer number (116750592).

Almost surely, 2^3215252513 is an apocalyptic number.

It is an amenable number.

3215252513 is a deficient number, since it is larger than the sum of its proper divisors (520766431).

3215252513 is a wasteful number, since it uses less digits than its factorization.

3215252513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757.

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

The square root of 3215252513 is about 56703.1966735562. The cubic root of 3215252513 is about 1475.9501702037.

Adding to 3215252513 its reverse (3152525123), we get a palindrome (6367777636).

The spelling of 3215252513 in words is "three billion, two hundred fifteen million, two hundred fifty-two thousand, five hundred thirteen".