325536978 has 64 divisors (see below), whose sum is σ = 745500672. Its totient is φ = 93880320.

The previous prime is 325536973. The next prime is 325536997. The reversal of 325536978 is 879635523.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (325536973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507538 + ... + 508178.

It is an arithmetic number, because the mean of its divisors is an integer number (11648448).

Almost surely, 2^325536978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325536978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372750336).

325536978 is an abundant number, since it is smaller than the sum of its proper divisors (419963694).

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

325536978 is a wasteful number, since it uses less digits than its factorization.

325536978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its digits is 1360800, while the sum is 48.

The square root of 325536978 is about 18042.6433207554. The cubic root of 325536978 is about 687.9128824815.

The spelling of 325536978 in words is "three hundred twenty-five million, five hundred thirty-six thousand, nine hundred seventy-eight".