325405091 has 4 divisors (see below), whose sum is σ = 354987384. Its totient is φ = 295822800.

The previous prime is 325405051. The next prime is 325405099. The reversal of 325405091 is 190504523.

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 325405091 - 2¹⁰ = 325404067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325405099) 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, 14791130 + ... + 14791151.

It is an arithmetic number, because the mean of its divisors is an integer number (88746846).

Almost surely, 2^325405091 is an apocalyptic number.

325405091 is a deficient number, since it is larger than the sum of its proper divisors (29582293).

325405091 is a wasteful number, since it uses less digits than its factorization.

325405091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29582292.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 325405091 is about 18038.9880813753. The cubic root of 325405091 is about 687.8199703318.

The spelling of 325405091 in words is "three hundred twenty-five million, four hundred five thousand, ninety-one".