325838725991 has 8 divisors (see below), whose sum is σ = 326452458384. Its totient is φ = 325225394560.

The previous prime is 325838725987. The next prime is 325838726029. The reversal of 325838725991 is 199527838523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 325838725991 - 2² = 325838725987 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 (325838725981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552121 + ... + 1749501.

It is an arithmetic number, because the mean of its divisors is an integer number (40806557298).

Almost surely, 2^325838725991 is an apocalyptic number.

325838725991 is a deficient number, since it is larger than the sum of its proper divisors (613732393).

325838725991 is a wasteful number, since it uses less digits than its factorization.

325838725991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200481.

The product of its digits is 32659200, while the sum is 62.

The spelling of 325838725991 in words is "three hundred twenty-five billion, eight hundred thirty-eight million, seven hundred twenty-five thousand, nine hundred ninety-one".