7232320513 has 4 divisors (see below), whose sum is σ = 7889804208. Its totient is φ = 6574836820.

The previous prime is 7232320471. The next prime is 7232320517. The reversal of 7232320513 is 3150232327.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3150232327 = 11 ⋅286384757.

It is a cyclic number.

It is not a de Polignac number, because 7232320513 - 2⁹ = 7232320001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7232320517) 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, 328741831 + ... + 328741852.

It is an arithmetic number, because the mean of its divisors is an integer number (1972451052).

Almost surely, 2^7232320513 is an apocalyptic number.

It is an amenable number.

7232320513 is a deficient number, since it is larger than the sum of its proper divisors (657483695).

7232320513 is a wasteful number, since it uses less digits than its factorization.

7232320513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657483694.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 7232320513 is about 85043.0509389215. The cubic root of 7232320513 is about 1933.8638187918.

The spelling of 7232320513 in words is "seven billion, two hundred thirty-two million, three hundred twenty thousand, five hundred thirteen".