853063452 has 36 divisors (see below), whose sum is σ = 2158237536. Its totient is φ = 284106240.

The previous prime is 853063439. The next prime is 853063511. The reversal of 853063452 is 254360358.

It is a happy number.

853063452 is a `hidden beast` number, since 8 + 5 + 306 + 345 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 34077 + ... + 53547.

Almost surely, 2^853063452 is an apocalyptic number.

853063452 is the 14604-th decagonal number.

It is an amenable number.

853063452 is an abundant number, since it is smaller than the sum of its proper divisors (1305174084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

853063452 is a wasteful number, since it uses less digits than its factorization.

853063452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20698 (or 20693 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 853063452 is about 29207.2499903705. The cubic root of 853063452 is about 948.4048769969.

The spelling of 853063452 in words is "eight hundred fifty-three million, sixty-three thousand, four hundred fifty-two".