215480203 has 2 divisors, whose sum is σ = 215480204. Its totient is φ = 215480202.

The previous prime is 215480183. The next prime is 215480207. The reversal of 215480203 is 302084512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215480203 is a prime.

It is not a weakly prime, because it can be changed into another prime (215480207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107740101 + 107740102.

It is an arithmetic number, because the mean of its divisors is an integer number (107740102).

Almost surely, 2^215480203 is an apocalyptic number.

215480203 is a deficient number, since it is larger than the sum of its proper divisors (1).

215480203 is an equidigital number, since it uses as much as digits as its factorization.

215480203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 215480203 is about 14679.2439519207. The cubic root of 215480203 is about 599.5183198921.

The spelling of 215480203 in words is "two hundred fifteen million, four hundred eighty thousand, two hundred three".