325435891 has 4 divisors (see below), whose sum is σ = 355020984. Its totient is φ = 295850800.

The previous prime is 325435871. The next prime is 325435897. The reversal of 325435891 is 198534523.

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 325435891 - 2¹⁹ = 324911603 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325435897) 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, 14792530 + ... + 14792551.

It is an arithmetic number, because the mean of its divisors is an integer number (88755246).

Almost surely, 2^325435891 is an apocalyptic number.

325435891 is a deficient number, since it is larger than the sum of its proper divisors (29585093).

325435891 is a wasteful number, since it uses less digits than its factorization.

325435891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29585092.

The product of its digits is 129600, while the sum is 40.

The square root of 325435891 is about 18039.8417675987. The cubic root of 325435891 is about 687.8416706548.

The spelling of 325435891 in words is "three hundred twenty-five million, four hundred thirty-five thousand, eight hundred ninety-one".