325148406 has 64 divisors (see below), whose sum is σ = 772588800. Its totient is φ = 90115200.

The previous prime is 325148399. The next prime is 325148407. The reversal of 325148406 is 604841523.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325148407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31896 + ... + 40836.

It is an arithmetic number, because the mean of its divisors is an integer number (12071700).

Almost surely, 2^325148406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325148406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386294400).

325148406 is an abundant number, since it is smaller than the sum of its proper divisors (447440394).

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

325148406 is a wasteful number, since it uses less digits than its factorization.

325148406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9005.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 325148406 is about 18031.8719494122. The cubic root of 325148406 is about 687.6390681097.

Adding to 325148406 its reverse (604841523), we get a palindrome (929989929).

The spelling of 325148406 in words is "three hundred twenty-five million, one hundred forty-eight thousand, four hundred six".