84571252 has 12 divisors (see below), whose sum is σ = 150792516. Its totient is φ = 41487680.

The previous prime is 84571213. The next prime is 84571259. The reversal of 84571252 is 25217548.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62631396 + 21939856 = 7914^2 + 4684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84571259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199249 + ... + 199672.

It is an arithmetic number, because the mean of its divisors is an integer number (12566043).

Almost surely, 2^84571252 is an apocalyptic number.

It is an amenable number.

84571252 is a deficient number, since it is larger than the sum of its proper divisors (66221264).

84571252 is a wasteful number, since it uses less digits than its factorization.

84571252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398978 (or 398976 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 84571252 is about 9196.2629366499. The cubic root of 84571252 is about 438.9424533199.

The spelling of 84571252 in words is "eighty-four million, five hundred seventy-one thousand, two hundred fifty-two".