320425963 has 8 divisors (see below), whose sum is σ = 376444656. Its totient is φ = 268888800.

The previous prime is 320425943. The next prime is 320425967. The reversal of 320425963 is 369524023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320425963 - 2⁹ = 320425451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320425967) 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 in 7 ways as a sum of consecutive naturals, for example, 1120228 + ... + 1120513.

It is an arithmetic number, because the mean of its divisors is an integer number (47055582).

Almost surely, 2^320425963 is an apocalyptic number.

320425963 is a deficient number, since it is larger than the sum of its proper divisors (56018693).

320425963 is a wasteful number, since it uses less digits than its factorization.

320425963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240765.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 320425963 is about 17900.4458883012. The cubic root of 320425963 is about 684.2937384747.

Adding to 320425963 its reverse (369524023), we get a palindrome (689949986).

The spelling of 320425963 in words is "three hundred twenty million, four hundred twenty-five thousand, nine hundred sixty-three".