320425927 has 2 divisors, whose sum is σ = 320425928. Its totient is φ = 320425926.

The previous prime is 320425907. The next prime is 320425933. The reversal of 320425927 is 729524023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320425927 - 2⁷ = 320425799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320425892 and 320425901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320425907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160212963 + 160212964.

It is an arithmetic number, because the mean of its divisors is an integer number (160212964).

Almost surely, 2^320425927 is an apocalyptic number.

320425927 is a deficient number, since it is larger than the sum of its proper divisors (1).

320425927 is an equidigital number, since it uses as much as digits as its factorization.

320425927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 320425927 is about 17900.4448827396. Note that the first 3 decimals coincide. The cubic root of 320425927 is about 684.2937128478.

The spelling of 320425927 in words is "three hundred twenty million, four hundred twenty-five thousand, nine hundred twenty-seven".