82617245 has 4 divisors (see below), whose sum is σ = 99140700. Its totient is φ = 66093792.

The previous prime is 82617221. The next prime is 82617253. The reversal of 82617245 is 54271628.

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 36132121 + 46485124 = 6011^2 + 6818^2 .

It is a cyclic number.

It is not a de Polignac number, because 82617245 - 2¹⁶ = 82551709 is a prime.

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, 8261720 + ... + 8261729.

It is an arithmetic number, because the mean of its divisors is an integer number (24785175).

Almost surely, 2^82617245 is an apocalyptic number.

It is an amenable number.

82617245 is a deficient number, since it is larger than the sum of its proper divisors (16523455).

82617245 is a wasteful number, since it uses less digits than its factorization.

82617245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16523454.

The product of its digits is 26880, while the sum is 35.

The square root of 82617245 is about 9089.4028956802. The cubic root of 82617245 is about 435.5355099492.

The spelling of 82617245 in words is "eighty-two million, six hundred seventeen thousand, two hundred forty-five".