82055245 has 4 divisors (see below), whose sum is σ = 98466300. Its totient is φ = 65644192.

The previous prime is 82055221. The next prime is 82055257. The reversal of 82055245 is 54255028.

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 23164969 + 58890276 = 4813^2 + 7674^2 .

It is a cyclic number.

It is not a de Polignac number, because 82055245 - 2¹⁵ = 82022477 is a prime.

It is a super-3 number, since 3×82055245³ (a number of 25 digits) contains 333 as substring.

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8205520 + ... + 8205529.

It is an arithmetic number, because the mean of its divisors is an integer number (24616575).

Almost surely, 2^82055245 is an apocalyptic number.

It is an amenable number.

82055245 is a deficient number, since it is larger than the sum of its proper divisors (16411055).

82055245 is a wasteful number, since it uses less digits than its factorization.

82055245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16411054.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 82055245 is about 9058.4350193618. The cubic root of 82055245 is about 434.5456920727.

It can be divided in two parts, 820 and 55245, that added together give a palindrome (56065).

The spelling of 82055245 in words is "eighty-two million, fifty-five thousand, two hundred forty-five".