82805325 has 24 divisors (see below), whose sum is σ = 144112800. Its totient is φ = 41837760.

The previous prime is 82805323. The next prime is 82805339. The reversal of 82805325 is 52350828.

It is not a de Polignac number, because 82805325 - 2¹ = 82805323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82805323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27630 + ... + 30479.

It is an arithmetic number, because the mean of its divisors is an integer number (6004700).

Almost surely, 2^82805325 is an apocalyptic number.

It is an amenable number.

82805325 is a deficient number, since it is larger than the sum of its proper divisors (61307475).

82805325 is a wasteful number, since it uses less digits than its factorization.

82805325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58141 (or 58136 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 82805325 is about 9099.7431282427. The cubic root of 82805325 is about 435.8657615666.

The spelling of 82805325 in words is "eighty-two million, eight hundred five thousand, three hundred twenty-five".