82641252 has 12 divisors (see below), whose sum is σ = 192829616. Its totient is φ = 27547080.

The previous prime is 82641193. The next prime is 82641253. The reversal of 82641252 is 25214628.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (82641253) 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 3 ways as a sum of consecutive naturals, for example, 3443374 + ... + 3443397.

Almost surely, 2^82641252 is an apocalyptic number.

It is an amenable number.

82641252 is an abundant number, since it is smaller than the sum of its proper divisors (110188364).

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

82641252 is a wasteful number, since it uses less digits than its factorization.

82641252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6886778 (or 6886776 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 82641252 is about 9090.7234035582. The cubic root of 82641252 is about 435.5776919754.

The spelling of 82641252 in words is "eighty-two million, six hundred forty-one thousand, two hundred fifty-two".