325421242543 has 2 divisors, whose sum is σ = 325421242544. Its totient is φ = 325421242542.

The previous prime is 325421242541. The next prime is 325421242577. The reversal of 325421242543 is 345242124523.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325421242543 - 2¹ = 325421242541 is a prime.

Together with 325421242541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325421242541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162710621271 + 162710621272.

It is an arithmetic number, because the mean of its divisors is an integer number (162710621272).

Almost surely, 2^325421242543 is an apocalyptic number.

325421242543 is a deficient number, since it is larger than the sum of its proper divisors (1).

325421242543 is an equidigital number, since it uses as much as digits as its factorization.

325421242543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 37.

The spelling of 325421242543 in words is "three hundred twenty-five billion, four hundred twenty-one million, two hundred forty-two thousand, five hundred forty-three".