854857151 has 2 divisors, whose sum is σ = 854857152. Its totient is φ = 854857150.

The previous prime is 854857141. The next prime is 854857153. The reversal of 854857151 is 151758458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854857151 - 2²⁶ = 787748287 is a prime.

Together with 854857153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854857153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427428575 + 427428576.

It is an arithmetic number, because the mean of its divisors is an integer number (427428576).

Almost surely, 2^854857151 is an apocalyptic number.

854857151 is a deficient number, since it is larger than the sum of its proper divisors (1).

854857151 is an equidigital number, since it uses as much as digits as its factorization.

854857151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224000, while the sum is 44.

The square root of 854857151 is about 29237.9402660311. The cubic root of 854857151 is about 949.0691347193.

The spelling of 854857151 in words is "eight hundred fifty-four million, eight hundred fifty-seven thousand, one hundred fifty-one".