215005041 has 6 divisors (see below), whose sum is σ = 310562850. Its totient is φ = 143336688.

The previous prime is 215005019. The next prime is 215005067. The reversal of 215005041 is 140500512.

It can be written as a sum of positive squares in only one way, i.e., 204604416 + 10400625 = 14304^2 + 3225^2 .

It is not a de Polignac number, because 215005041 - 2⁷ = 215004913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215015041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11944716 + ... + 11944733.

It is an arithmetic number, because the mean of its divisors is an integer number (51760475).

Almost surely, 2^215005041 is an apocalyptic number.

It is an amenable number.

215005041 is a deficient number, since it is larger than the sum of its proper divisors (95557809).

215005041 is a wasteful number, since it uses less digits than its factorization.

215005041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23889455 (or 23889452 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 215005041 is about 14663.0501942809. The cubic root of 215005041 is about 599.0773235075.

Adding to 215005041 its reverse (140500512), we get a palindrome (355505553).

The spelling of 215005041 in words is "two hundred fifteen million, five thousand, forty-one".