90050203 has 2 divisors, whose sum is σ = 90050204. Its totient is φ = 90050202.

The previous prime is 90050201. The next prime is 90050231. The reversal of 90050203 is 30205009.

It is a weak prime.

It is an emirp because it is prime and its reverse (30205009) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90050203 - 2¹ = 90050201 is a prime.

Together with 90050201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (90050201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45025101 + 45025102.

It is an arithmetic number, because the mean of its divisors is an integer number (45025102).

Almost surely, 2^90050203 is an apocalyptic number.

90050203 is a deficient number, since it is larger than the sum of its proper divisors (1).

90050203 is an equidigital number, since it uses as much as digits as its factorization.

90050203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 90050203 is about 9489.4785420486. The cubic root of 90050203 is about 448.2237850792.

The spelling of 90050203 in words is "ninety million, fifty thousand, two hundred three".