320214451 has 2 divisors, whose sum is σ = 320214452. Its totient is φ = 320214450.

The previous prime is 320214443. The next prime is 320214457. The reversal of 320214451 is 154412023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320214451 - 2³ = 320214443 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 polite number, since it can be written as a sum of consecutive naturals, namely, 160107225 + 160107226.

It is an arithmetic number, because the mean of its divisors is an integer number (160107226).

Almost surely, 2^320214451 is an apocalyptic number.

320214451 is a deficient number, since it is larger than the sum of its proper divisors (1).

320214451 is an equidigital number, since it uses as much as digits as its factorization.

320214451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 320214451 is about 17894.5369037592. The cubic root of 320214451 is about 684.1431387395.

Adding to 320214451 its reverse (154412023), we get a palindrome (474626474).

The spelling of 320214451 in words is "three hundred twenty million, two hundred fourteen thousand, four hundred fifty-one".