325428260551 has 4 divisors (see below), whose sum is σ = 325754669032. Its totient is φ = 325101852072.

The previous prime is 325428260533. The next prime is 325428260557. The reversal of 325428260551 is 155062824523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 325428260551 - 2¹¹ = 325428258503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 325428260498 and 325428260507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325428260557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163202745 + ... + 163204738.

It is an arithmetic number, because the mean of its divisors is an integer number (81438667258).

Almost surely, 2^325428260551 is an apocalyptic number.

325428260551 is a deficient number, since it is larger than the sum of its proper divisors (326408481).

325428260551 is an equidigital number, since it uses as much as digits as its factorization.

325428260551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326408480.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 325428260551 in words is "three hundred twenty-five billion, four hundred twenty-eight million, two hundred sixty thousand, five hundred fifty-one".