325485521 has 2 divisors, whose sum is σ = 325485522. Its totient is φ = 325485520.

The previous prime is 325485509. The next prime is 325485541. The reversal of 325485521 is 125584523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297183121 + 28302400 = 17239^2 + 5320^2 .

It is an emirp because it is prime and its reverse (125584523) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325485521 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (325485541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162742760 + 162742761.

It is an arithmetic number, because the mean of its divisors is an integer number (162742761).

Almost surely, 2^325485521 is an apocalyptic number.

It is an amenable number.

325485521 is a deficient number, since it is larger than the sum of its proper divisors (1).

325485521 is an equidigital number, since it uses as much as digits as its factorization.

325485521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48000, while the sum is 35.

The square root of 325485521 is about 18041.2172815473. The cubic root of 325485521 is about 687.8766348857.

The spelling of 325485521 in words is "three hundred twenty-five million, four hundred eighty-five thousand, five hundred twenty-one".