325444397 has 2 divisors, whose sum is σ = 325444398. Its totient is φ = 325444396.

The previous prime is 325444391. The next prime is 325444421. The reversal of 325444397 is 793444523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224220676 + 101223721 = 14974^2 + 10061^2 .

It is a cyclic number.

It is not a de Polignac number, because 325444397 - 2²⁰ = 324395821 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325444391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162722198 + 162722199.

It is an arithmetic number, because the mean of its divisors is an integer number (162722199).

Almost surely, 2^325444397 is an apocalyptic number.

It is an amenable number.

325444397 is a deficient number, since it is larger than the sum of its proper divisors (1).

325444397 is an equidigital number, since it uses as much as digits as its factorization.

325444397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 41.

The square root of 325444397 is about 18040.0775220064. The cubic root of 325444397 is about 687.8476633663.

The spelling of 325444397 in words is "three hundred twenty-five million, four hundred forty-four thousand, three hundred ninety-seven".