215454241 has 8 divisors (see below), whose sum is σ = 216859104. Its totient is φ = 214054080.

The previous prime is 215454229. The next prime is 215454289. The reversal of 215454241 is 142454512.

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 215454241 - 2²⁷ = 81236513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215457241) 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, 140706 + ... + 142228.

It is an arithmetic number, because the mean of its divisors is an integer number (27107388).

Almost surely, 2^215454241 is an apocalyptic number.

It is an amenable number.

215454241 is a deficient number, since it is larger than the sum of its proper divisors (1404863).

215454241 is a wasteful number, since it uses less digits than its factorization.

215454241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its digits is 6400, while the sum is 28.

The square root of 215454241 is about 14678.3596154339. The cubic root of 215454241 is about 599.4942413928.

The spelling of 215454241 in words is "two hundred fifteen million, four hundred fifty-four thousand, two hundred forty-one".