82158301 has 4 divisors (see below), whose sum is σ = 84162204. Its totient is φ = 80154400.

The previous prime is 82158287. The next prime is 82158311. The reversal of 82158301 is 10385128.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1625625 + 80532676 = 1275^2 + 8974^2 .

It is a cyclic number.

It is not a de Polignac number, because 82158301 - 2⁵ = 82158269 is a prime.

It is a Duffinian number.

82158301 is a modest number, since divided by 158301 gives 82 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 82158301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82158311) 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, 1001890 + ... + 1001971.

It is an arithmetic number, because the mean of its divisors is an integer number (21040551).

Almost surely, 2^82158301 is an apocalyptic number.

It is an amenable number.

82158301 is a deficient number, since it is larger than the sum of its proper divisors (2003903).

82158301 is a wasteful number, since it uses less digits than its factorization.

82158301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003902.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 82158301 is about 9064.1216342236. The cubic root of 82158301 is about 434.7275362516.

The spelling of 82158301 in words is "eighty-two million, one hundred fifty-eight thousand, three hundred one".