325221215064 has 64 divisors (see below), whose sum is σ = 860189932800. Its totient is φ = 102180081024.

The previous prime is 325221215041. The next prime is 325221215089. The reversal of 325221215064 is 460512122523.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1720332 + ... + 1899995.

It is an arithmetic number, because the mean of its divisors is an integer number (13440467700).

Almost surely, 2^325221215064 is an apocalyptic number.

It is an amenable number.

325221215064 is an abundant number, since it is smaller than the sum of its proper divisors (534968717736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325221215064 is a wasteful number, since it uses less digits than its factorization.

325221215064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620552 (or 3620548 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 325221215064 its reverse (460512122523), we get a palindrome (785733337587).

The spelling of 325221215064 in words is "three hundred twenty-five billion, two hundred twenty-one million, two hundred fifteen thousand, sixty-four".