216025351 has 8 divisors (see below), whose sum is σ = 227276784. Its totient is φ = 205058880.

The previous prime is 216025319. The next prime is 216025357. The reversal of 216025351 is 153520612.

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 216025351 - 2⁵ = 216025319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216025357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69685 + ... + 72718.

It is an arithmetic number, because the mean of its divisors is an integer number (28409598).

Almost surely, 2^216025351 is an apocalyptic number.

216025351 is a deficient number, since it is larger than the sum of its proper divisors (11251433).

216025351 is a wasteful number, since it uses less digits than its factorization.

216025351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142481.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 216025351 is about 14697.8008899291. The cubic root of 216025351 is about 600.0234722299.

Adding to 216025351 its reverse (153520612), we get a palindrome (369545963).

The spelling of 216025351 in words is "two hundred sixteen million, twenty-five thousand, three hundred fifty-one".