325440452 has 48 divisors (see below), whose sum is σ = 623799792. Its totient is φ = 147947520.

The previous prime is 325440443. The next prime is 325440463. The reversal of 325440452 is 254044523.

It can be written as a sum of positive squares in 8 ways, for example, as 8386816 + 317053636 = 2896^2 + 17806^2 .

It is a super-2 number, since 2×325440452² = 211822975595928608, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314528 + ... + 315560.

It is an arithmetic number, because the mean of its divisors is an integer number (12995829).

Almost surely, 2^325440452 is an apocalyptic number.

It is an amenable number.

325440452 is a deficient number, since it is larger than the sum of its proper divisors (298359340).

325440452 is a wasteful number, since it uses less digits than its factorization.

325440452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 325440452 is about 18039.9681817901. The cubic root of 325440452 is about 687.8448840180.

Adding to 325440452 its reverse (254044523), we get a palindrome (579484975).

The spelling of 325440452 in words is "three hundred twenty-five million, four hundred forty thousand, four hundred fifty-two".