325904287 has 2 divisors, whose sum is σ = 325904288. Its totient is φ = 325904286.

The previous prime is 325904237. The next prime is 325904387. The reversal of 325904287 is 782409523.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325904287 - 2¹⁵ = 325871519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325904237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162952143 + 162952144.

It is an arithmetic number, because the mean of its divisors is an integer number (162952144).

Almost surely, 2^325904287 is an apocalyptic number.

325904287 is a deficient number, since it is larger than the sum of its proper divisors (1).

325904287 is an equidigital number, since it uses as much as digits as its factorization.

325904287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 325904287 is about 18052.8193642988. The cubic root of 325904287 is about 688.1715132326.

The spelling of 325904287 in words is "three hundred twenty-five million, nine hundred four thousand, two hundred eighty-seven".