90263203 has 4 divisors (see below), whose sum is σ = 90373968. Its totient is φ = 90152440.

The previous prime is 90263197. The next prime is 90263207. The reversal of 90263203 is 30236209.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90263203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90263207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54151 + ... + 55792.

It is an arithmetic number, because the mean of its divisors is an integer number (22593492).

Almost surely, 2^90263203 is an apocalyptic number.

90263203 is a deficient number, since it is larger than the sum of its proper divisors (110765).

90263203 is a wasteful number, since it uses less digits than its factorization.

90263203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110764.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 90263203 is about 9500.6948693240. The cubic root of 90263203 is about 448.5769084380.

The spelling of 90263203 in words is "ninety million, two hundred sixty-three thousand, two hundred three".