325726321 has 2 divisors, whose sum is σ = 325726322. Its totient is φ = 325726320.

The previous prime is 325726277. The next prime is 325726337. The reversal of 325726321 is 123627523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 325297296 + 429025 = 18036^2 + 655^2 .

It is a cyclic number.

It is not a de Polignac number, because 325726321 - 2²⁵ = 292171889 is a prime.

It is not a weakly prime, because it can be changed into another prime (325726351) 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, 162863160 + 162863161.

It is an arithmetic number, because the mean of its divisors is an integer number (162863161).

Almost surely, 2^325726321 is an apocalyptic number.

It is an amenable number.

325726321 is a deficient number, since it is larger than the sum of its proper divisors (1).

325726321 is an equidigital number, since it uses as much as digits as its factorization.

325726321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 325726321 is about 18047.8896550262. The cubic root of 325726321 is about 688.0462275422.

The spelling of 325726321 in words is "three hundred twenty-five million, seven hundred twenty-six thousand, three hundred twenty-one".