325538641 has 2 divisors, whose sum is σ = 325538642. Its totient is φ = 325538640.

The previous prime is 325538599. The next prime is 325538663. The reversal of 325538641 is 146835523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207360000 + 118178641 = 14400^2 + 10871^2 .

It is an emirp because it is prime and its reverse (146835523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325538641 - 2¹¹ = 325536593 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325538641.

It is not a weakly prime, because it can be changed into another prime (325538141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162769320 + 162769321.

It is an arithmetic number, because the mean of its divisors is an integer number (162769321).

Almost surely, 2^325538641 is an apocalyptic number.

It is an amenable number.

325538641 is a deficient number, since it is larger than the sum of its proper divisors (1).

325538641 is an equidigital number, since it uses as much as digits as its factorization.

325538641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 325538641 is about 18042.6894059616. The cubic root of 325538641 is about 687.9140538765.

The spelling of 325538641 in words is "three hundred twenty-five million, five hundred thirty-eight thousand, six hundred forty-one".