320240527 has 2 divisors, whose sum is σ = 320240528. Its totient is φ = 320240526.

The previous prime is 320240519. The next prime is 320240567. The reversal of 320240527 is 725042023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320240527 - 2³ = 320240519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320240507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160120263 + 160120264.

It is an arithmetic number, because the mean of its divisors is an integer number (160120264).

Almost surely, 2^320240527 is an apocalyptic number.

320240527 is a deficient number, since it is larger than the sum of its proper divisors (1).

320240527 is an equidigital number, since it uses as much as digits as its factorization.

320240527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 320240527 is about 17895.2654911851. The cubic root of 320240527 is about 684.1617088281.

The spelling of 320240527 in words is "three hundred twenty million, two hundred forty thousand, five hundred twenty-seven".