325919887 has 4 divisors (see below), whose sum is σ = 326344480. Its totient is φ = 325495296.

The previous prime is 325919861. The next prime is 325919897. The reversal of 325919887 is 788919523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 325919887 - 2¹⁵ = 325887119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325919807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211143 + ... + 212680.

It is an arithmetic number, because the mean of its divisors is an integer number (81586120).

Almost surely, 2^325919887 is an apocalyptic number.

325919887 is a deficient number, since it is larger than the sum of its proper divisors (424593).

325919887 is an equidigital number, since it uses as much as digits as its factorization.

325919887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424592.

The product of its digits is 1088640, while the sum is 52.

The square root of 325919887 is about 18053.2514246049. The cubic root of 325919887 is about 688.1824932501.

The spelling of 325919887 in words is "three hundred twenty-five million, nine hundred nineteen thousand, eight hundred eighty-seven".