325582557505 has 4 divisors (see below), whose sum is σ = 390699069012. Its totient is φ = 260466046000.

The previous prime is 325582557493. The next prime is 325582557527. The reversal of 325582557505 is 505755285523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505755285523 = 266767 ⋅1895869.

It can be written as a sum of positive squares in 2 ways, for example, as 167347264561 + 158235292944 = 409081^2 + 397788^2 .

It is not a de Polignac number, because 325582557505 - 2¹⁵ = 325582524737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 32558255746 + ... + 32558255755.

It is an arithmetic number, because the mean of its divisors is an integer number (97674767253).

Almost surely, 2^325582557505 is an apocalyptic number.

It is an amenable number.

325582557505 is a deficient number, since it is larger than the sum of its proper divisors (65116511507).

325582557505 is an equidigital number, since it uses as much as digits as its factorization.

325582557505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65116511506.

The product of its (nonzero) digits is 10500000, while the sum is 52.

The spelling of 325582557505 in words is "three hundred twenty-five billion, five hundred eighty-two million, five hundred fifty-seven thousand, five hundred five".