325252778 has 8 divisors (see below), whose sum is σ = 489419172. Its totient is φ = 162113056.

The previous prime is 325252771. The next prime is 325252799. The reversal of 325252778 is 877252523.

325252778 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 322453849 + 2798929 = 17957^2 + 1673^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (325252771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255875 + ... + 257142.

Almost surely, 2^325252778 is an apocalyptic number.

325252778 is a deficient number, since it is larger than the sum of its proper divisors (164166394).

325252778 is a wasteful number, since it uses less digits than its factorization.

325252778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513336.

The product of its digits is 235200, while the sum is 41.

The square root of 325252778 is about 18034.7658149475. The cubic root of 325252778 is about 687.7126371687.

The spelling of 325252778 in words is "three hundred twenty-five million, two hundred fifty-two thousand, seven hundred seventy-eight".