82252165 has 4 divisors (see below), whose sum is σ = 98702604. Its totient is φ = 65801728.

The previous prime is 82252153. The next prime is 82252169. The reversal of 82252165 is 56125228.

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 54552996 + 27699169 = 7386^2 + 5263^2 .

It is a cyclic number.

It is not a de Polignac number, because 82252165 - 2⁵ = 82252133 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82252169) 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, 8225212 + ... + 8225221.

It is an arithmetic number, because the mean of its divisors is an integer number (24675651).

Almost surely, 2^82252165 is an apocalyptic number.

It is an amenable number.

82252165 is a deficient number, since it is larger than the sum of its proper divisors (16450439).

82252165 is a wasteful number, since it uses less digits than its factorization.

82252165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16450438.

The product of its digits is 9600, while the sum is 31.

The square root of 82252165 is about 9069.2979331368. The cubic root of 82252165 is about 434.8930287018.

The spelling of 82252165 in words is "eighty-two million, two hundred fifty-two thousand, one hundred sixty-five".