850133 has 2 divisors, whose sum is σ = 850134. Its totient is φ = 850132.

The previous prime is 850121. The next prime is 850139. The reversal of 850133 is 331058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850084 + 49 = 922^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 850133 - 2¹² = 846037 is a prime.

It is a super-2 number, since 2×850133² = 1445452235378, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425066 + 425067.

It is an arithmetic number, because the mean of its divisors is an integer number (425067).

2⁸⁵⁰¹³³ is an apocalyptic number.

It is an amenable number.

850133 is a deficient number, since it is larger than the sum of its proper divisors (1).

850133 is an equidigital number, since it uses as much as digits as its factorization.

850133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 850133 is about 922.0265722852. The cubic root of 850133 is about 94.7317641149.

It can be divided in two parts, 850 and 133, that multiplied together give a triangular number (113050 = T₄₇₅).

The spelling of 850133 in words is "eight hundred fifty thousand, one hundred thirty-three".