325642947 has 32 divisors (see below), whose sum is σ = 524095488. Its totient is φ = 175825056.

The previous prime is 325642921. The next prime is 325642979. The reversal of 325642947 is 749246523.

It is not a de Polignac number, because 325642947 - 2¹⁵ = 325610179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 325642899 and 325642908.

It is not an unprimeable number, because it can be changed into a prime (325642907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36028 + ... + 44150.

It is an arithmetic number, because the mean of its divisors is an integer number (16377984).

Almost surely, 2^325642947 is an apocalyptic number.

325642947 is a deficient number, since it is larger than the sum of its proper divisors (198452541).

325642947 is a wasteful number, since it uses less digits than its factorization.

325642947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239.

The product of its digits is 362880, while the sum is 42.

The square root of 325642947 is about 18045.5797080615. The cubic root of 325642947 is about 687.9875176605.

It can be divided in two parts, 32564 and 2947, that added together give a triangular number (35511 = T₂₆₆).

The spelling of 325642947 in words is "three hundred twenty-five million, six hundred forty-two thousand, nine hundred forty-seven".