851359345 has 8 divisors (see below), whose sum is σ = 1021847976. Its totient is φ = 680942976.

The previous prime is 851359343. The next prime is 851359349. The reversal of 851359345 is 543953158.

It can be written as a sum of positive squares in 4 ways, for example, as 15397776 + 835961569 = 3924^2 + 28913^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 851359345 - 2¹ = 851359343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (851359343) 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, 12589 + ... + 43141.

It is an arithmetic number, because the mean of its divisors is an integer number (127730997).

Almost surely, 2^851359345 is an apocalyptic number.

It is an amenable number.

851359345 is a deficient number, since it is larger than the sum of its proper divisors (170488631).

851359345 is a wasteful number, since it uses less digits than its factorization.

851359345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36131.

The product of its digits is 324000, while the sum is 43.

The square root of 851359345 is about 29178.0627355553. The cubic root of 851359345 is about 947.7729346477.

The spelling of 851359345 in words is "eight hundred fifty-one million, three hundred fifty-nine thousand, three hundred forty-five".