90359 has 2 divisors, whose sum is σ = 90360. Its totient is φ = 90358.

The previous prime is 90353. The next prime is 90371. The reversal of 90359 is 95309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90359 - 2¹² = 86263 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90359.

It is not a weakly prime, because it can be changed into another prime (90353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45179 + 45180.

It is an arithmetic number, because the mean of its divisors is an integer number (45180).

2⁹⁰³⁵⁹ is an apocalyptic number.

90359 is a deficient number, since it is larger than the sum of its proper divisors (1).

90359 is an equidigital number, since it uses as much as digits as its factorization.

90359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 90359 is about 300.5977378491. The cubic root of 90359 is about 44.8735544986.

Subtracting 90359 from its reverse (95309), we obtain a triangular number (4950 = T₉₉).

The spelling of 90359 in words is "ninety thousand, three hundred fifty-nine".