325728975 has 96 divisors (see below), whose sum is σ = 640459008. Its totient is φ = 145200000.

The previous prime is 325728973. The next prime is 325728983. The reversal of 325728975 is 579827523.

It is a happy number.

It is not a de Polignac number, because 325728975 - 2¹ = 325728973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325728973) 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 95 ways as a sum of consecutive naturals, for example, 1297600 + ... + 1297850.

It is an arithmetic number, because the mean of its divisors is an integer number (6671448).

Almost surely, 2^325728975 is an apocalyptic number.

325728975 is a deficient number, since it is larger than the sum of its proper divisors (314730033).

325728975 is a wasteful number, since it uses less digits than its factorization.

325728975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 283 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The square root of 325728975 is about 18047.9631814784. The cubic root of 325728975 is about 688.0480962579.

The spelling of 325728975 in words is "three hundred twenty-five million, seven hundred twenty-eight thousand, nine hundred seventy-five".