320041369 has 2 divisors, whose sum is σ = 320041370. Its totient is φ = 320041368.

The previous prime is 320041333. The next prime is 320041391. The reversal of 320041369 is 963140023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190081369 + 129960000 = 13787^2 + 11400^2 .

It is a cyclic number.

It is not a de Polignac number, because 320041369 - 2⁹ = 320040857 is a prime.

It is a super-2 number, since 2×320041369² = 204852955742788322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (320041069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160020684 + 160020685.

It is an arithmetic number, because the mean of its divisors is an integer number (160020685).

Almost surely, 2^320041369 is an apocalyptic number.

It is an amenable number.

320041369 is a deficient number, since it is larger than the sum of its proper divisors (1).

320041369 is an equidigital number, since it uses as much as digits as its factorization.

320041369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 320041369 is about 17889.7000813317. The cubic root of 320041369 is about 684.0198523985.

The spelling of 320041369 in words is "three hundred twenty million, forty-one thousand, three hundred sixty-nine".