7321043 has 2 divisors, whose sum is σ = 7321044. Its totient is φ = 7321042.

The previous prime is 7321031. The next prime is 7321063. The reversal of 7321043 is 3401237.

It is an a-pointer prime, because the next prime (7321063) can be obtained adding 7321043 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7321043 - 2⁶ = 7320979 is a prime.

It is not a weakly prime, because it can be changed into another prime (7321003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660521 + 3660522.

It is an arithmetic number, because the mean of its divisors is an integer number (3660522).

Almost surely, 2^7321043 is an apocalyptic number.

7321043 is a deficient number, since it is larger than the sum of its proper divisors (1).

7321043 is an equidigital number, since it uses as much as digits as its factorization.

7321043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7321043 is about 2705.7425967745. The cubic root of 7321043 is about 194.1739591736.

The spelling of 7321043 in words is "seven million, three hundred twenty-one thousand, forty-three".