216354325 has 24 divisors (see below), whose sum is σ = 309890880. Its totient is φ = 148089600.

The previous prime is 216354317. The next prime is 216354367. The reversal of 216354325 is 523453612.

It is a happy number.

216354325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216354325 - 2³ = 216354317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18465 + ... + 27814.

It is an arithmetic number, because the mean of its divisors is an integer number (12912120).

Almost surely, 2^216354325 is an apocalyptic number.

216354325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

216354325 is a deficient number, since it is larger than the sum of its proper divisors (93536555).

216354325 is a wasteful number, since it uses less digits than its factorization.

216354325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46317 (or 46312 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 216354325 is about 14708.9878985605. The cubic root of 216354325 is about 600.3278994743.

The spelling of 216354325 in words is "two hundred sixteen million, three hundred fifty-four thousand, three hundred twenty-five".