90353443 has 2 divisors, whose sum is σ = 90353444. Its totient is φ = 90353442.

The previous prime is 90353441. The next prime is 90353467. The reversal of 90353443 is 34435309.

It is a weak prime.

It is an emirp because it is prime and its reverse (34435309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90353443 - 2¹ = 90353441 is a prime.

Together with 90353441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (90353441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45176721 + 45176722.

It is an arithmetic number, because the mean of its divisors is an integer number (45176722).

Almost surely, 2^90353443 is an apocalyptic number.

90353443 is a deficient number, since it is larger than the sum of its proper divisors (1).

90353443 is an equidigital number, since it uses as much as digits as its factorization.

90353443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 90353443 is about 9505.4428092541. The cubic root of 90353443 is about 448.7263458486.

The spelling of 90353443 in words is "ninety million, three hundred fifty-three thousand, four hundred forty-three".