82601285 has 24 divisors (see below), whose sum is σ = 109009440. Its totient is φ = 60046272.

The previous prime is 82601269. The next prime is 82601291. The reversal of 82601285 is 58210628.

It is not a de Polignac number, because 82601285 - 2⁴ = 82601269 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55886 + ... + 57344.

It is an arithmetic number, because the mean of its divisors is an integer number (4542060).

Almost surely, 2^82601285 is an apocalyptic number.

It is an amenable number.

82601285 is a deficient number, since it is larger than the sum of its proper divisors (26408155).

82601285 is a wasteful number, since it uses less digits than its factorization.

82601285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 82601285 is about 9088.5249078164. The cubic root of 82601285 is about 435.5074625587.

The spelling of 82601285 in words is "eighty-two million, six hundred one thousand, two hundred eighty-five".