820150273 has 2 divisors, whose sum is σ = 820150274. Its totient is φ = 820150272.

The previous prime is 820150267. The next prime is 820150301. The reversal of 820150273 is 372051028.

It is an a-pointer prime, because the next prime (820150301) can be obtained adding 820150273 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 670136769 + 150013504 = 25887^2 + 12248^2 .

It is a cyclic number.

It is not a de Polignac number, because 820150273 - 2⁵ = 820150241 is a prime.

It is not a weakly prime, because it can be changed into another prime (820150213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410075136 + 410075137.

It is an arithmetic number, because the mean of its divisors is an integer number (410075137).

It is a Proth number, since it is equal to 25029 ⋅ 2¹⁵ + 1 and 25029 < 2¹⁵.

Almost surely, 2^820150273 is an apocalyptic number.

It is an amenable number.

820150273 is a deficient number, since it is larger than the sum of its proper divisors (1).

820150273 is an equidigital number, since it uses as much as digits as its factorization.

820150273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 820150273 is about 28638.2658867467. The cubic root of 820150273 is about 936.0473352647.

The spelling of 820150273 in words is "eight hundred twenty million, one hundred fifty thousand, two hundred seventy-three".