847151 has 2 divisors, whose sum is σ = 847152. Its totient is φ = 847150.

The previous prime is 847139. The next prime is 847157. The reversal of 847151 is 151748.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-847151 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 847151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (847157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423575 + 423576.

It is an arithmetic number, because the mean of its divisors is an integer number (423576).

2⁸⁴⁷¹⁵¹ is an apocalyptic number.

847151 is a deficient number, since it is larger than the sum of its proper divisors (1).

847151 is an equidigital number, since it uses as much as digits as its factorization.

847151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 26.

The square root of 847151 is about 920.4080616770. The cubic root of 847151 is about 94.6208712462.

Adding to 847151 its reverse (151748), we get a palindrome (998899).

The spelling of 847151 in words is "eight hundred forty-seven thousand, one hundred fifty-one".