325525397 has 2 divisors, whose sum is σ = 325525398. Its totient is φ = 325525396.

The previous prime is 325525393. The next prime is 325525399. The reversal of 325525397 is 793525523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254274916 + 71250481 = 15946^2 + 8441^2 .

It is a cyclic number.

It is not a de Polignac number, because 325525397 - 2² = 325525393 is a prime.

Together with 325525399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325525393) 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 as a sum of consecutive naturals, namely, 162762698 + 162762699.

It is an arithmetic number, because the mean of its divisors is an integer number (162762699).

Almost surely, 2^325525397 is an apocalyptic number.

It is an amenable number.

325525397 is a deficient number, since it is larger than the sum of its proper divisors (1).

325525397 is an equidigital number, since it uses as much as digits as its factorization.

325525397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 283500, while the sum is 41.

The square root of 325525397 is about 18042.3223837731. The cubic root of 325525397 is about 687.9047248690.

The spelling of 325525397 in words is "three hundred twenty-five million, five hundred twenty-five thousand, three hundred ninety-seven".