850252993 has 4 divisors (see below), whose sum is σ = 850459588. Its totient is φ = 850046400.

The previous prime is 850252987. The next prime is 850252999. The reversal of 850252993 is 399252058.

It is a happy number.

850252993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 399252058 = 2 ⋅199626029.

It is an interprime number because it is at equal distance from previous prime (850252987) and next prime (850252999).

It can be written as a sum of positive squares in 2 ways, for example, as 78357904 + 771895089 = 8852^2 + 27783^2 .

It is a cyclic number.

It is not a de Polignac number, because 850252993 - 2²⁹ = 313382081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (850252999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96996 + ... + 105397.

It is an arithmetic number, because the mean of its divisors is an integer number (212614897).

Almost surely, 2^850252993 is an apocalyptic number.

It is an amenable number.

850252993 is a deficient number, since it is larger than the sum of its proper divisors (206595).

850252993 is a wasteful number, since it uses less digits than its factorization.

850252993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206594.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 850252993 is about 29159.0979455812. The cubic root of 850252993 is about 947.3622091312.

The spelling of 850252993 in words is "eight hundred fifty million, two hundred fifty-two thousand, nine hundred ninety-three".