215005241 has 8 divisors (see below), whose sum is σ = 235116000. Its totient is φ = 194988640.

The previous prime is 215005223. The next prime is 215005249. The reversal of 215005241 is 142500512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 215005241 - 2¹⁰ = 215004217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215005249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18716 + ... + 27933.

It is an arithmetic number, because the mean of its divisors is an integer number (29389500).

Almost surely, 2^215005241 is an apocalyptic number.

It is an amenable number.

215005241 is a deficient number, since it is larger than the sum of its proper divisors (20110759).

215005241 is a wasteful number, since it uses less digits than its factorization.

215005241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47079.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 215005241 is about 14663.0570141427. The cubic root of 215005241 is about 599.0775092635.

Adding to 215005241 its reverse (142500512), we get a palindrome (357505753).

The spelling of 215005241 in words is "two hundred fifteen million, five thousand, two hundred forty-one".