325454728 has 8 divisors (see below), whose sum is σ = 610227630. Its totient is φ = 162727360.

The previous prime is 325454719. The next prime is 325454729. The reversal of 325454728 is 827454523.

It can be written as a sum of positive squares in only one way, i.e., 324648324 + 806404 = 18018^2 + 898^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (325454729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20340913 + ... + 20340928.

Almost surely, 2^325454728 is an apocalyptic number.

It is an amenable number.

325454728 is a deficient number, since it is larger than the sum of its proper divisors (284772902).

325454728 is a wasteful number, since it uses less digits than its factorization.

325454728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40681847 (or 40681843 counting only the distinct ones).

The product of its digits is 268800, while the sum is 40.

The square root of 325454728 is about 18040.3638544238. The cubic root of 325454728 is about 687.8549417003.

It can be divided in two parts, 32545 and 4728, that added together give a palindrome (37273).

The spelling of 325454728 in words is "three hundred twenty-five million, four hundred fifty-four thousand, seven hundred twenty-eight".