325257644 has 6 divisors (see below), whose sum is σ = 569200884. Its totient is φ = 162628820.

The previous prime is 325257643. The next prime is 325257671. The reversal of 325257644 is 446752523.

It is a junction number, because it is equal to n+sod(n) for n = 325257598 and 325257607.

It is not an unprimeable number, because it can be changed into a prime (325257643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40657202 + ... + 40657209.

It is an arithmetic number, because the mean of its divisors is an integer number (94866814).

Almost surely, 2^325257644 is an apocalyptic number.

It is an amenable number.

325257644 is a deficient number, since it is larger than the sum of its proper divisors (243943240).

325257644 is a wasteful number, since it uses less digits than its factorization.

325257644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81314415 (or 81314413 counting only the distinct ones).

The product of its digits is 201600, while the sum is 38.

The square root of 325257644 is about 18034.9007205474. The cubic root of 325257644 is about 687.7160666993.

The spelling of 325257644 in words is "three hundred twenty-five million, two hundred fifty-seven thousand, six hundred forty-four".