853425217052 has 24 divisors (see below), whose sum is σ = 1581426524160. Its totient is φ = 401591600640.

The previous prime is 853425217049. The next prime is 853425217061. The reversal of 853425217052 is 250712524358.

It is a happy number.

853425217052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×853425217052³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 853425216994 and 853425217012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086152 + ... + 1698992.

It is an arithmetic number, because the mean of its divisors is an integer number (65892771840).

Almost surely, 2^853425217052 is an apocalyptic number.

It is an amenable number.

853425217052 is a deficient number, since it is larger than the sum of its proper divisors (728001307108).

853425217052 is a wasteful number, since it uses less digits than its factorization.

853425217052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633341 (or 633339 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 853425217052 in words is "eight hundred fifty-three billion, four hundred twenty-five million, two hundred seventeen thousand, fifty-two".