90303379 has 2 divisors, whose sum is σ = 90303380. Its totient is φ = 90303378.

The previous prime is 90303377. The next prime is 90303407. The reversal of 90303379 is 97330309.

It is a weak prime.

It is an emirp because it is prime and its reverse (97330309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90303379 - 2¹ = 90303377 is a prime.

Together with 90303377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (90303377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45151689 + 45151690.

It is an arithmetic number, because the mean of its divisors is an integer number (45151690).

Almost surely, 2^90303379 is an apocalyptic number.

90303379 is a deficient number, since it is larger than the sum of its proper divisors (1).

90303379 is an equidigital number, since it uses as much as digits as its factorization.

90303379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 34.

The square root of 90303379 is about 9502.8090057625. The cubic root of 90303379 is about 448.6434521756.

The spelling of 90303379 in words is "ninety million, three hundred three thousand, three hundred seventy-nine".