320614447 has 2 divisors, whose sum is σ = 320614448. Its totient is φ = 320614446.

The previous prime is 320614433. The next prime is 320614451. The reversal of 320614447 is 744416023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320614447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320615447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160307223 + 160307224.

It is an arithmetic number, because the mean of its divisors is an integer number (160307224).

Almost surely, 2^320614447 is an apocalyptic number.

320614447 is a deficient number, since it is larger than the sum of its proper divisors (1).

320614447 is an equidigital number, since it uses as much as digits as its factorization.

320614447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 320614447 is about 17905.7098993589. The cubic root of 320614447 is about 684.4278860933.

The spelling of 320614447 in words is "three hundred twenty million, six hundred fourteen thousand, four hundred forty-seven".