325948921 has 2 divisors, whose sum is σ = 325948922. Its totient is φ = 325948920.

The previous prime is 325948919. The next prime is 325948927. The reversal of 325948921 is 129849523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294465600 + 31483321 = 17160^2 + 5611^2 .

It is a cyclic number.

It is not a de Polignac number, because 325948921 - 2¹ = 325948919 is a prime.

It is a super-4 number, since 4×325948921⁴ (a number of 35 digits) contains 4444 as substring.

Together with 325948919, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (325948927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162974460 + 162974461.

It is an arithmetic number, because the mean of its divisors is an integer number (162974461).

Almost surely, 2^325948921 is an apocalyptic number.

It is an amenable number.

325948921 is a deficient number, since it is larger than the sum of its proper divisors (1).

325948921 is an equidigital number, since it uses as much as digits as its factorization.

325948921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 43.

The square root of 325948921 is about 18054.0555277755. The cubic root of 325948921 is about 688.2029278191.

The spelling of 325948921 in words is "three hundred twenty-five million, nine hundred forty-eight thousand, nine hundred twenty-one".