203216087 has 2 divisors, whose sum is σ = 203216088. Its totient is φ = 203216086.

The previous prime is 203216081. The next prime is 203216089. The reversal of 203216087 is 780612302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203216087 - 2⁶ = 203216023 is a prime.

Together with 203216089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203216081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101608043 + 101608044.

It is an arithmetic number, because the mean of its divisors is an integer number (101608044).

Almost surely, 2^203216087 is an apocalyptic number.

203216087 is a deficient number, since it is larger than the sum of its proper divisors (1).

203216087 is an equidigital number, since it uses as much as digits as its factorization.

203216087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 203216087 is about 14255.3879989287. The cubic root of 203216087 is about 587.9215258857.

Adding to 203216087 its reverse (780612302), we get a palindrome (983828389).

It can be divided in two parts, 203 and 216087, that multiplied together give a triangular number (43865661 = T₉₃₆₆).

The spelling of 203216087 in words is "two hundred three million, two hundred sixteen thousand, eighty-seven".