325413123421 has 2 divisors, whose sum is σ = 325413123422. Its totient is φ = 325413123420.

The previous prime is 325413123379. The next prime is 325413123467. The reversal of 325413123421 is 124321314523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269865704196 + 55547419225 = 519486^2 + 235685^2 .

It is a cyclic number.

It is not a de Polignac number, because 325413123421 - 2¹¹ = 325413121373 is a prime.

It is a super-2 number, since 2×325413123421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325413123221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162706561710 + 162706561711.

It is an arithmetic number, because the mean of its divisors is an integer number (162706561711).

Almost surely, 2^325413123421 is an apocalyptic number.

It is an amenable number.

325413123421 is a deficient number, since it is larger than the sum of its proper divisors (1).

325413123421 is an equidigital number, since it uses as much as digits as its factorization.

325413123421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

Adding to 325413123421 its reverse (124321314523), we get a palindrome (449734437944).

The spelling of 325413123421 in words is "three hundred twenty-five billion, four hundred thirteen million, one hundred twenty-three thousand, four hundred twenty-one".