320214529 has 2 divisors, whose sum is σ = 320214530. Its totient is φ = 320214528.

The previous prime is 320214497. The next prime is 320214553. The reversal of 320214529 is 925412023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292410000 + 27804529 = 17100^2 + 5273^2 .

It is a cyclic number.

It is not a de Polignac number, because 320214529 - 2⁵ = 320214497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320214497 and 320214506.

It is not a weakly prime, because it can be changed into another prime (320214589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160107264 + 160107265.

It is an arithmetic number, because the mean of its divisors is an integer number (160107265).

Almost surely, 2^320214529 is an apocalyptic number.

It is an amenable number.

320214529 is a deficient number, since it is larger than the sum of its proper divisors (1).

320214529 is an equidigital number, since it uses as much as digits as its factorization.

320214529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 320214529 is about 17894.5390831952. The cubic root of 320214529 is about 684.1431942889.

The spelling of 320214529 in words is "three hundred twenty million, two hundred fourteen thousand, five hundred twenty-nine".