850010001 has 4 divisors (see below), whose sum is σ = 1133346672. Its totient is φ = 566673332.

The previous prime is 850009997. The next prime is 850010009. The reversal of 850010001 is 100010058.

It is a happy number.

850010001 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 850010001 - 2² = 850009997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (850010009) 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, 141668331 + ... + 141668336.

It is an arithmetic number, because the mean of its divisors is an integer number (283336668).

Almost surely, 2^850010001 is an apocalyptic number.

It is an amenable number.

850010001 is a deficient number, since it is larger than the sum of its proper divisors (283336671).

850010001 is a wasteful number, since it uses less digits than its factorization.

850010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283336670.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 850010001 is about 29154.9309894570. The cubic root of 850010001 is about 947.2719523202.

Adding to 850010001 its reverse (100010058), we get a palindrome (950020059).

The spelling of 850010001 in words is "eight hundred fifty million, ten thousand, one".