215052259 has 2 divisors, whose sum is σ = 215052260. Its totient is φ = 215052258.

The previous prime is 215052199. The next prime is 215052269. The reversal of 215052259 is 952250512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 215052259 - 2¹¹ = 215050211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 215052259.

It is not a weakly prime, because it can be changed into another prime (215052269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107526129 + 107526130.

It is an arithmetic number, because the mean of its divisors is an integer number (107526130).

Almost surely, 2^215052259 is an apocalyptic number.

215052259 is a deficient number, since it is larger than the sum of its proper divisors (1).

215052259 is an equidigital number, since it uses as much as digits as its factorization.

215052259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 215052259 is about 14664.6602074511. The cubic root of 215052259 is about 599.1211754445.

The spelling of 215052259 in words is "two hundred fifteen million, fifty-two thousand, two hundred fifty-nine".