90510263 has 2 divisors, whose sum is σ = 90510264. Its totient is φ = 90510262.

The previous prime is 90510239. The next prime is 90510347. The reversal of 90510263 is 36201509.

It is a weak prime.

It is an emirp because it is prime and its reverse (36201509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90510263 - 2¹⁰ = 90509239 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90510223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45255131 + 45255132.

It is an arithmetic number, because the mean of its divisors is an integer number (45255132).

Almost surely, 2^90510263 is an apocalyptic number.

90510263 is a deficient number, since it is larger than the sum of its proper divisors (1).

90510263 is an equidigital number, since it uses as much as digits as its factorization.

90510263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 90510263 is about 9513.6881912327. The cubic root of 90510263 is about 448.9858031930.

The spelling of 90510263 in words is "ninety million, five hundred ten thousand, two hundred sixty-three".