84525012 has 144 divisors (see below), whose sum is σ = 259479360. Its totient is φ = 23587200.

The previous prime is 84525011. The next prime is 84525013. The reversal of 84525012 is 21052548.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84525011) and next prime (84525013).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84525011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200562 + ... + 200982.

It is an arithmetic number, because the mean of its divisors is an integer number (1801940).

Almost surely, 2^84525012 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 84525012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129739680).

84525012 is an abundant number, since it is smaller than the sum of its proper divisors (174954348).

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

84525012 is a wasteful number, since it uses less digits than its factorization.

84525012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 84525012 is about 9193.7485282120. The cubic root of 84525012 is about 438.8624403178.

The spelling of 84525012 in words is "eighty-four million, five hundred twenty-five thousand, twelve".