7325215643 has 4 divisors (see below), whose sum is σ = 7325674728. Its totient is φ = 7324756560.

The previous prime is 7325215633. The next prime is 7325215661. The reversal of 7325215643 is 3465125237.

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

It is a cyclic number.

It is not a de Polignac number, because 7325215643 - 2³⁰ = 6251473819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7325215597 and 7325215606.

It is not an unprimeable number, because it can be changed into a prime (7325215633) 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, 204713 + ... + 237818.

It is an arithmetic number, because the mean of its divisors is an integer number (1831418682).

Almost surely, 2^7325215643 is an apocalyptic number.

7325215643 is a deficient number, since it is larger than the sum of its proper divisors (459085).

7325215643 is a wasteful number, since it uses less digits than its factorization.

7325215643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459084.

The product of its digits is 151200, while the sum is 38.

The square root of 7325215643 is about 85587.4736337041. The cubic root of 7325215643 is about 1942.1084211188.

The spelling of 7325215643 in words is "seven billion, three hundred twenty-five million, two hundred fifteen thousand, six hundred forty-three".