325020191 has 4 divisors (see below), whose sum is σ = 326065584. Its totient is φ = 323974800.

The previous prime is 325020169. The next prime is 325020193. The reversal of 325020191 is 191020523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191020523 = 5653 ⋅33791.

It is a cyclic number.

It is not a de Polignac number, because 325020191 - 2²⁶ = 257911327 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 (325020193) 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, 522230 + ... + 522851.

It is an arithmetic number, because the mean of its divisors is an integer number (81516396).

Almost surely, 2^325020191 is an apocalyptic number.

325020191 is a deficient number, since it is larger than the sum of its proper divisors (1045393).

325020191 is a wasteful number, since it uses less digits than its factorization.

325020191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045392.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 325020191 is about 18028.3163662057. The cubic root of 325020191 is about 687.5486711989.

The spelling of 325020191 in words is "three hundred twenty-five million, twenty thousand, one hundred ninety-one".