215535041 has 2 divisors, whose sum is σ = 215535042. Its totient is φ = 215535040.

The previous prime is 215535037. The next prime is 215535059. The reversal of 215535041 is 140535512.

215535041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115455025 + 100080016 = 10745^2 + 10004^2 .

It is a cyclic number.

It is not a de Polignac number, because 215535041 - 2² = 215535037 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 215535041.

It is not a weakly prime, because it can be changed into another prime (215535011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107767520 + 107767521.

It is an arithmetic number, because the mean of its divisors is an integer number (107767521).

Almost surely, 2^215535041 is an apocalyptic number.

It is an amenable number.

215535041 is a deficient number, since it is larger than the sum of its proper divisors (1).

215535041 is an equidigital number, since it uses as much as digits as its factorization.

215535041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 215535041 is about 14681.1117085866. Note that the first 3 decimals coincide. The cubic root of 215535041 is about 599.5691731285.

The spelling of 215535041 in words is "two hundred fifteen million, five hundred thirty-five thousand, forty-one".