216302541 has 16 divisors (see below), whose sum is σ = 354958464. Its totient is φ = 114093504.

The previous prime is 216302491. The next prime is 216302551. The reversal of 216302541 is 145203612.

216302541 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 216302541 - 2⁶ = 216302477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216302551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395886 + ... + 396431.

It is an arithmetic number, because the mean of its divisors is an integer number (22184904).

Almost surely, 2^216302541 is an apocalyptic number.

216302541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

216302541 is a deficient number, since it is larger than the sum of its proper divisors (138655923).

216302541 is a wasteful number, since it uses less digits than its factorization.

216302541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792340.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 216302541 is about 14707.2275089495. The cubic root of 216302541 is about 600.2799998687.

The spelling of 216302541 in words is "two hundred sixteen million, three hundred two thousand, five hundred forty-one".