203201087 has 2 divisors, whose sum is σ = 203201088. Its totient is φ = 203201086.

The previous prime is 203201083. The next prime is 203201107. The reversal of 203201087 is 780102302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203201087 - 2² = 203201083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203201081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101600543 + 101600544.

It is an arithmetic number, because the mean of its divisors is an integer number (101600544).

Almost surely, 2^203201087 is an apocalyptic number.

203201087 is a deficient number, since it is larger than the sum of its proper divisors (1).

203201087 is an equidigital number, since it uses as much as digits as its factorization.

203201087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 203201087 is about 14254.8618723578. The cubic root of 203201087 is about 587.9070601020.

Adding to 203201087 its reverse (780102302), we get a palindrome (983303389).

The spelling of 203201087 in words is "two hundred three million, two hundred one thousand, eighty-seven".