216525525341 has 4 divisors (see below), whose sum is σ = 216535383612. Its totient is φ = 216515667072.

The previous prime is 216525525323. The next prime is 216525525347. The reversal of 216525525341 is 143525525612.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54217259716 + 162308265625 = 232846^2 + 402875^2 .

It is a cyclic number.

It is not a de Polignac number, because 216525525341 - 2¹⁸ = 216525263197 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 (216525525347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4896116 + ... + 4940141.

It is an arithmetic number, because the mean of its divisors is an integer number (54133845903).

Almost surely, 2^216525525341 is an apocalyptic number.

It is an amenable number.

216525525341 is a deficient number, since it is larger than the sum of its proper divisors (9858271).

216525525341 is an equidigital number, since it uses as much as digits as its factorization.

216525525341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9858270.

The product of its digits is 360000, while the sum is 41.

The spelling of 216525525341 in words is "two hundred sixteen billion, five hundred twenty-five million, five hundred twenty-five thousand, three hundred forty-one".