325410244021 has 2 divisors, whose sum is σ = 325410244022. Its totient is φ = 325410244020.

The previous prime is 325410243997. The next prime is 325410244039. The reversal of 325410244021 is 120442014523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237963474225 + 87446769796 = 487815^2 + 295714^2 .

It is an emirp because it is prime and its reverse (120442014523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325410244021 - 2⁵ = 325410243989 is a prime.

It is a super-4 number, since 4×325410244021⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325410244721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162705122010 + 162705122011.

It is an arithmetic number, because the mean of its divisors is an integer number (162705122011).

Almost surely, 2^325410244021 is an apocalyptic number.

It is an amenable number.

325410244021 is a deficient number, since it is larger than the sum of its proper divisors (1).

325410244021 is an equidigital number, since it uses as much as digits as its factorization.

325410244021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 325410244021 its reverse (120442014523), we get a palindrome (445852258544).

The spelling of 325410244021 in words is "three hundred twenty-five billion, four hundred ten million, two hundred forty-four thousand, twenty-one".