320214497 has 2 divisors, whose sum is σ = 320214498. Its totient is φ = 320214496.

The previous prime is 320214457. The next prime is 320214529. The reversal of 320214497 is 794412023.

It is an a-pointer prime, because the next prime (320214529) can be obtained adding 320214497 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280763536 + 39450961 = 16756^2 + 6281^2 .

It is a cyclic number.

It is not a de Polignac number, because 320214497 - 2²⁰ = 319165921 is a prime.

It is not a weakly prime, because it can be changed into another prime (320214457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160107248 + 160107249.

It is an arithmetic number, because the mean of its divisors is an integer number (160107249).

Almost surely, 2^320214497 is an apocalyptic number.

It is an amenable number.

320214497 is a deficient number, since it is larger than the sum of its proper divisors (1).

320214497 is an equidigital number, since it uses as much as digits as its factorization.

320214497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 320214497 is about 17894.5381890676. The cubic root of 320214497 is about 684.1431714994.

The spelling of 320214497 in words is "three hundred twenty million, two hundred fourteen thousand, four hundred ninety-seven".