325611072 has 168 divisors, whose sum is σ = 980099640. Its totient is φ = 103219200.

The previous prime is 325611059. The next prime is 325611079. The reversal of 325611072 is 270116523.

It is a happy number.

325611072 is a `hidden beast` number, since 32 + 561 + 1 + 0 + 72 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 92621376 + 232989696 = 9624^2 + 15264^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325611079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1687008 + ... + 1687200.

Almost surely, 2^325611072 is an apocalyptic number.

325611072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325611072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490049820).

325611072 is an abundant number, since it is smaller than the sum of its proper divisors (654488568).

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

325611072 is a wasteful number, since it uses less digits than its factorization.

325611072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 325611072 is about 18044.6965061760. The cubic root of 325611072 is about 687.9650694362.

Adding to 325611072 its reverse (270116523), we get a palindrome (595727595).

It can be divided in two parts, 32561 and 1072, that added together give a palindrome (33633).

The spelling of 325611072 in words is "three hundred twenty-five million, six hundred eleven thousand, seventy-two".