850457 has 2 divisors, whose sum is σ = 850458. Its totient is φ = 850456.

The previous prime is 850453. The next prime is 850481. The reversal of 850457 is 754058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687241 + 163216 = 829^2 + 404^2 .

It is a cyclic number.

It is not a de Polignac number, because 850457 - 2² = 850453 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 850457.

It is not a weakly prime, because it can be changed into another prime (850453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425228 + 425229.

It is an arithmetic number, because the mean of its divisors is an integer number (425229).

2⁸⁵⁰⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

850457 is a deficient number, since it is larger than the sum of its proper divisors (1).

850457 is an equidigital number, since it uses as much as digits as its factorization.

850457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 850457 is about 922.2022554733. The cubic root of 850457 is about 94.7437972098.

The spelling of 850457 in words is "eight hundred fifty thousand, four hundred fifty-seven".