320560147 has 2 divisors, whose sum is σ = 320560148. Its totient is φ = 320560146.

The previous prime is 320560127. The next prime is 320560159. The reversal of 320560147 is 741065023.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320560147 is a prime.

It is not a weakly prime, because it can be changed into another prime (320560127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160280073 + 160280074.

It is an arithmetic number, because the mean of its divisors is an integer number (160280074).

Almost surely, 2^320560147 is an apocalyptic number.

320560147 is a deficient number, since it is larger than the sum of its proper divisors (1).

320560147 is an equidigital number, since it uses as much as digits as its factorization.

320560147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 320560147 is about 17904.1935590520. The cubic root of 320560147 is about 684.3892451515.

The spelling of 320560147 in words is "three hundred twenty million, five hundred sixty thousand, one hundred forty-seven".