216033525 has 36 divisors (see below), whose sum is σ = 388195392. Its totient is φ = 114844320.

The previous prime is 216033523. The next prime is 216033533. The reversal of 216033525 is 525330612.

216033525 is a `hidden beast` number, since 2 + 1 + 603 + 3 + 52 + 5 = 666.

216033525 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 216033525 - 2¹ = 216033523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216033523) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 76692 + ... + 79458.

Almost surely, 2^216033525 is an apocalyptic number.

216033525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

216033525 is a deficient number, since it is larger than the sum of its proper divisors (172161867).

216033525 is a wasteful number, since it uses less digits than its factorization.

216033525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3122 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 216033525 is about 14698.0789561085. The cubic root of 216033525 is about 600.0310400608.

The spelling of 216033525 in words is "two hundred sixteen million, thirty-three thousand, five hundred twenty-five".