90850273 has 2 divisors, whose sum is σ = 90850274. Its totient is φ = 90850272.

The previous prime is 90850259. The next prime is 90850303. The reversal of 90850273 is 37205809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72386064 + 18464209 = 8508^2 + 4297^2 .

It is a cyclic number.

It is not a de Polignac number, because 90850273 - 2⁵ = 90850241 is a prime.

It is equal to p_5263486 and since 90850273 and 5263486 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (90850213) 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, 45425136 + 45425137.

It is an arithmetic number, because the mean of its divisors is an integer number (45425137).

Almost surely, 2^90850273 is an apocalyptic number.

It is an amenable number.

90850273 is a deficient number, since it is larger than the sum of its proper divisors (1).

90850273 is an equidigital number, since it uses as much as digits as its factorization.

90850273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 90850273 is about 9531.5409562148. The cubic root of 90850273 is about 449.5473192608.

The spelling of 90850273 in words is "ninety million, eight hundred fifty thousand, two hundred seventy-three".