854436953 has 2 divisors, whose sum is σ = 854436954. Its totient is φ = 854436952.

The previous prime is 854436941. The next prime is 854436971. The reversal of 854436953 is 359634458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507285529 + 347151424 = 22523^2 + 18632^2 .

It is a cyclic number.

It is not a de Polignac number, because 854436953 - 2¹² = 854432857 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 854436898 and 854436907.

It is not a weakly prime, because it can be changed into another prime (854436553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427218476 + 427218477.

It is an arithmetic number, because the mean of its divisors is an integer number (427218477).

Almost surely, 2^854436953 is an apocalyptic number.

It is an amenable number.

854436953 is a deficient number, since it is larger than the sum of its proper divisors (1).

854436953 is an equidigital number, since it uses as much as digits as its factorization.

854436953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 47.

The square root of 854436953 is about 29230.7535482751. The cubic root of 854436953 is about 948.9136068586.

The spelling of 854436953 in words is "eight hundred fifty-four million, four hundred thirty-six thousand, nine hundred fifty-three".