216125235 has 12 divisors (see below), whose sum is σ = 374617152. Its totient is φ = 115266768.

The previous prime is 216125219. The next prime is 216125291. The reversal of 216125235 is 532521612.

It is a happy number.

216125235 is a `hidden beast` number, since 21 + 612 + 5 + 23 + 5 = 666.

It is not a de Polignac number, because 216125235 - 2⁴ = 216125219 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 216125199 and 216125208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2401347 + ... + 2401436.

It is an arithmetic number, because the mean of its divisors is an integer number (31218096).

Almost surely, 2^216125235 is an apocalyptic number.

216125235 is a deficient number, since it is larger than the sum of its proper divisors (158491917).

216125235 is a wasteful number, since it uses less digits than its factorization.

216125235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802794 (or 4802791 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 216125235 is about 14701.1984205370. The cubic root of 216125235 is about 600.1159359300.

Adding to 216125235 its reverse (532521612), we get a palindrome (748646847).

The spelling of 216125235 in words is "two hundred sixteen million, one hundred twenty-five thousand, two hundred thirty-five".