325506878 has 4 divisors (see below), whose sum is σ = 488260320. Its totient is φ = 162753438.

The previous prime is 325506869. The next prime is 325506911. The reversal of 325506878 is 878605523.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81376718 + ... + 81376721.

It is an arithmetic number, because the mean of its divisors is an integer number (122065080).

Almost surely, 2^325506878 is an apocalyptic number.

325506878 is a deficient number, since it is larger than the sum of its proper divisors (162753442).

325506878 is a wasteful number, since it uses less digits than its factorization.

325506878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162753441.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 325506878 is about 18041.8091664888. The cubic root of 325506878 is about 687.8916797535.

The spelling of 325506878 in words is "three hundred twenty-five million, five hundred six thousand, eight hundred seventy-eight".