854889425 has 12 divisors (see below), whose sum is σ = 1141606620. Its totient is φ = 631302720.

The previous prime is 854889397. The next prime is 854889457. The reversal of 854889425 is 524988458.

It can be written as a sum of positive squares in 6 ways, for example, as 111999889 + 742889536 = 10583^2 + 27256^2 .

It is not a de Polignac number, because 854889425 - 2¹² = 854885329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1314890 + ... + 1315539.

It is an arithmetic number, because the mean of its divisors is an integer number (95133885).

Almost surely, 2^854889425 is an apocalyptic number.

It is an amenable number.

854889425 is a deficient number, since it is larger than the sum of its proper divisors (286717195).

854889425 is a wasteful number, since it uses less digits than its factorization.

854889425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630452 (or 2630447 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 53.

The square root of 854889425 is about 29238.4921806854. The cubic root of 854889425 is about 949.0810781853.

The spelling of 854889425 in words is "eight hundred fifty-four million, eight hundred eighty-nine thousand, four hundred twenty-five".