84531252 has 48 divisors (see below), whose sum is σ = 213599232. Its totient is φ = 25864320.

The previous prime is 84531241. The next prime is 84531253. The reversal of 84531252 is 25213548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84531253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28378 + ... + 31214.

It is an arithmetic number, because the mean of its divisors is an integer number (4449984).

Almost surely, 2^84531252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84531252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106799616).

84531252 is an abundant number, since it is smaller than the sum of its proper divisors (129067980).

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

84531252 is a wasteful number, since it uses less digits than its factorization.

84531252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3046 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 84531252 is about 9194.0878829822. The cubic root of 84531252 is about 438.8732396231.

The spelling of 84531252 in words is "eighty-four million, five hundred thirty-one thousand, two hundred fifty-two".