850147 has 2 divisors, whose sum is σ = 850148. Its totient is φ = 850146.

The previous prime is 850139. The next prime is 850177. The reversal of 850147 is 741058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850147 - 2³ = 850139 is a prime.

It is a super-3 number, since 3×850147³ = 1843331032818379569, which contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (850177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425073 + 425074.

It is an arithmetic number, because the mean of its divisors is an integer number (425074).

2⁸⁵⁰¹⁴⁷ is an apocalyptic number.

850147 is a deficient number, since it is larger than the sum of its proper divisors (1).

850147 is an equidigital number, since it uses as much as digits as its factorization.

850147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 850147 is about 922.0341642260. The cubic root of 850147 is about 94.7322841266.

The spelling of 850147 in words is "eight hundred fifty thousand, one hundred forty-seven".