325166213 has 8 divisors (see below), whose sum is σ = 329130648. Its totient is φ = 321214464.

The previous prime is 325166147. The next prime is 325166221. The reversal of 325166213 is 312661523.

It can be written as a sum of positive squares in 4 ways, for example, as 96491329 + 228674884 = 9823^2 + 15122^2 .

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 325166213 - 2¹⁴ = 325149829 is a prime.

It is a super-2 number, since 2×325166213² = 211466132153522738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325166243) 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, 54695 + ... + 60347.

It is an arithmetic number, because the mean of its divisors is an integer number (41141331).

Almost surely, 2^325166213 is an apocalyptic number.

It is an amenable number.

325166213 is a deficient number, since it is larger than the sum of its proper divisors (3964435).

325166213 is an equidigital number, since it uses as much as digits as its factorization.

325166213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its digits is 6480, while the sum is 29.

The square root of 325166213 is about 18032.3657072498. The cubic root of 325166213 is about 687.6516209063.

The spelling of 325166213 in words is "three hundred twenty-five million, one hundred sixty-six thousand, two hundred thirteen".