7288321451 has 2 divisors, whose sum is σ = 7288321452. Its totient is φ = 7288321450.

The previous prime is 7288321427. The next prime is 7288321463. The reversal of 7288321451 is 1541238827.

7288321451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7288321451 - 2³⁰ = 6214579627 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 7288321399 and 7288321408.

It is not a weakly prime, because it can be changed into another prime (7288321471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3644160725 + 3644160726.

It is an arithmetic number, because the mean of its divisors is an integer number (3644160726).

Almost surely, 2^7288321451 is an apocalyptic number.

7288321451 is a deficient number, since it is larger than the sum of its proper divisors (1).

7288321451 is an equidigital number, since it uses as much as digits as its factorization.

7288321451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 41.

The square root of 7288321451 is about 85371.6665586423. Note that the first 3 decimals coincide. The cubic root of 7288321451 is about 1938.8423896794.

The spelling of 7288321451 in words is "seven billion, two hundred eighty-eight million, three hundred twenty-one thousand, four hundred fifty-one".