325166993 has 4 divisors (see below), whose sum is σ = 325229040. Its totient is φ = 325104948.

The previous prime is 325166987. The next prime is 325167019. The reversal of 325166993 is 399661523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 325166993 - 2⁴ = 325166977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (325166953) 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, 22355 + ... + 33912.

It is an arithmetic number, because the mean of its divisors is an integer number (81307260).

Almost surely, 2^325166993 is an apocalyptic number.

It is an amenable number.

325166993 is a deficient number, since it is larger than the sum of its proper divisors (62047).

325166993 is an equidigital number, since it uses as much as digits as its factorization.

325166993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62046.

The product of its digits is 262440, while the sum is 44.

The square root of 325166993 is about 18032.3873350147. The cubic root of 325166993 is about 687.6521707459.

The spelling of 325166993 in words is "three hundred twenty-five million, one hundred sixty-six thousand, nine hundred ninety-three".