9090203 has 2 divisors, whose sum is σ = 9090204. Its totient is φ = 9090202.

The previous prime is 9090181. The next prime is 9090217. The reversal of 9090203 is 3020909.

9090203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9090203 - 2⁶ = 9090139 is a prime.

It is a super-3 number, since 3×9090203³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (9090503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545101 + 4545102.

It is an arithmetic number, because the mean of its divisors is an integer number (4545102).

Almost surely, 2^9090203 is an apocalyptic number.

9090203 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090203 is an equidigital number, since it uses as much as digits as its factorization.

9090203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 9090203 is about 3014.9963515732. The cubic root of 9090203 is about 208.7009986937.

The spelling of 9090203 in words is "nine million, ninety thousand, two hundred three".