215041207 has 2 divisors, whose sum is σ = 215041208. Its totient is φ = 215041206.

The previous prime is 215041199. The next prime is 215041243. The reversal of 215041207 is 702140512.

It is a happy number.

215041207 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 is a cyclic number.

It is not a de Polignac number, because 215041207 - 2³ = 215041199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215042207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107520603 + 107520604.

It is an arithmetic number, because the mean of its divisors is an integer number (107520604).

Almost surely, 2^215041207 is an apocalyptic number.

215041207 is a deficient number, since it is larger than the sum of its proper divisors (1).

215041207 is an equidigital number, since it uses as much as digits as its factorization.

215041207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 215041207 is about 14664.2833783312. The cubic root of 215041207 is about 599.1109118917.

Adding to 215041207 its reverse (702140512), we get a palindrome (917181719).

The spelling of 215041207 in words is "two hundred fifteen million, forty-one thousand, two hundred seven".