850049 has 2 divisors, whose sum is σ = 850050. Its totient is φ = 850048.

The previous prime is 850043. The next prime is 850061. The reversal of 850049 is 940058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 734449 + 115600 = 857^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 850049 - 2⁴ = 850033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (850043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425024 + 425025.

It is an arithmetic number, because the mean of its divisors is an integer number (425025).

2⁸⁵⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

850049 is a deficient number, since it is larger than the sum of its proper divisors (1).

850049 is an equidigital number, since it uses as much as digits as its factorization.

850049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 850049 is about 921.9810193274. The cubic root of 850049 is about 94.7286439245.

Subtracting 850049 from its reverse (940058), we obtain a palindrome (90009).

The spelling of 850049 in words is "eight hundred fifty thousand, forty-nine".