320525011 has 2 divisors, whose sum is σ = 320525012. Its totient is φ = 320525010.

The previous prime is 320524961. The next prime is 320525017. The reversal of 320525011 is 110525023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320525011 - 2⁹ = 320524499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320525011.

It is not a weakly prime, because it can be changed into another prime (320525017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160262505 + 160262506.

It is an arithmetic number, because the mean of its divisors is an integer number (160262506).

Almost surely, 2^320525011 is an apocalyptic number.

320525011 is a deficient number, since it is larger than the sum of its proper divisors (1).

320525011 is an equidigital number, since it uses as much as digits as its factorization.

320525011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 320525011 is about 17903.2123095270. The cubic root of 320525011 is about 684.3642393615.

The spelling of 320525011 in words is "three hundred twenty million, five hundred twenty-five thousand, eleven".