216325352 has 32 divisors (see below), whose sum is σ = 410292000. Its totient is φ = 106922304.

The previous prime is 216325331. The next prime is 216325367. The reversal of 216325352 is 253523612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413363 + ... + 413885.

It is an arithmetic number, because the mean of its divisors is an integer number (12821625).

Almost surely, 2^216325352 is an apocalyptic number.

It is an amenable number.

216325352 is a deficient number, since it is larger than the sum of its proper divisors (193966648).

216325352 is a wasteful number, since it uses less digits than its factorization.

216325352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 1021 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 216325352 is about 14708.0029915689. The cubic root of 216325352 is about 600.3011007238.

Adding to 216325352 its reverse (253523612), we get a palindrome (469848964).

The spelling of 216325352 in words is "two hundred sixteen million, three hundred twenty-five thousand, three hundred fifty-two".