325621130203256 has 32 divisors (see below), whose sum is σ = 642699077126400. Its totient is φ = 154235397471840.

The previous prime is 325621130203253. The next prime is 325621130203261. The reversal of 325621130203256 is 652302031126523.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325621130203253) 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 7 ways as a sum of consecutive naturals, for example, 39188960 + ... + 46765551.

It is an arithmetic number, because the mean of its divisors is an integer number (20084346160200).

Almost surely, 2^{325621130203256} is an apocalyptic number.

It is an amenable number.

325621130203256 is a deficient number, since it is larger than the sum of its proper divisors (317077946923144).

325621130203256 is a wasteful number, since it uses less digits than its factorization.

325621130203256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85979459 (or 85979455 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 325621130203256 its reverse (652302031126523), we get a palindrome (977923161329779).

The spelling of 325621130203256 in words is "three hundred twenty-five trillion, six hundred twenty-one billion, one hundred thirty million, two hundred three thousand, two hundred fifty-six".