850417153 has 4 divisors (see below), whose sum is σ = 850483780. Its totient is φ = 850350528.

The previous prime is 850417103. The next prime is 850417159. The reversal of 850417153 is 351714058.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 351714058 = 2 ⋅175857029.

It can be written as a sum of positive squares in 2 ways, for example, as 637461504 + 212955649 = 25248^2 + 14593^2 .

It is a cyclic number.

It is not a de Polignac number, because 850417153 - 2²¹ = 848320001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850417159) 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 in 3 ways as a sum of consecutive naturals, for example, 7500 + ... + 41917.

It is an arithmetic number, because the mean of its divisors is an integer number (212620945).

Almost surely, 2^850417153 is an apocalyptic number.

It is an amenable number.

850417153 is a deficient number, since it is larger than the sum of its proper divisors (66627).

850417153 is a wasteful number, since it uses less digits than its factorization.

850417153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66626.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 850417153 is about 29161.9127116175. The cubic root of 850417153 is about 947.4231748962.

The spelling of 850417153 in words is "eight hundred fifty million, four hundred seventeen thousand, one hundred fifty-three".