851307061 has 8 divisors (see below), whose sum is σ = 930643200. Its totient is φ = 772295040.

The previous prime is 851307059. The next prime is 851307097. The reversal of 851307061 is 160703158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 851307061 - 2¹ = 851307059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851307031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75516 + ... + 86053.

It is an arithmetic number, because the mean of its divisors is an integer number (116330400).

Almost surely, 2^851307061 is an apocalyptic number.

It is an amenable number.

851307061 is a deficient number, since it is larger than the sum of its proper divisors (79336139).

851307061 is a wasteful number, since it uses less digits than its factorization.

851307061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162059.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 851307061 is about 29177.1667747230. The cubic root of 851307061 is about 947.7535325880.

The spelling of 851307061 in words is "eight hundred fifty-one million, three hundred seven thousand, sixty-one".