850637 has 2 divisors, whose sum is σ = 850638. Its totient is φ = 850636.

The previous prime is 850631. The next prime is 850673. The reversal of 850637 is 736058.

Together with next prime (850673) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 808201 + 42436 = 899^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 850637 - 2¹⁶ = 785101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850631) 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, 425318 + 425319.

It is an arithmetic number, because the mean of its divisors is an integer number (425319).

2⁸⁵⁰⁶³⁷ is an apocalyptic number.

It is an amenable number.

850637 is a deficient number, since it is larger than the sum of its proper divisors (1).

850637 is an equidigital number, since it uses as much as digits as its factorization.

850637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 850637 is about 922.2998427843. The cubic root of 850637 is about 94.7504809420.

The spelling of 850637 in words is "eight hundred fifty thousand, six hundred thirty-seven".