90351203 has 2 divisors, whose sum is σ = 90351204. Its totient is φ = 90351202.

The previous prime is 90351197. The next prime is 90351223. The reversal of 90351203 is 30215309.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (30215309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90351203 - 2¹² = 90347107 is a prime.

It is not a weakly prime, because it can be changed into another prime (90351223) 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 as a sum of consecutive naturals, namely, 45175601 + 45175602.

It is an arithmetic number, because the mean of its divisors is an integer number (45175602).

Almost surely, 2^90351203 is an apocalyptic number.

90351203 is a deficient number, since it is larger than the sum of its proper divisors (1).

90351203 is an equidigital number, since it uses as much as digits as its factorization.

90351203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 90351203 is about 9505.3249812934. The cubic root of 90351203 is about 448.7226376139.

The spelling of 90351203 in words is "ninety million, three hundred fifty-one thousand, two hundred three".