82522487 has 4 divisors (see below), whose sum is σ = 85368120. Its totient is φ = 79676856.

The previous prime is 82522423. The next prime is 82522511. The reversal of 82522487 is 78422528.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82522487 - 2⁶ = 82522423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82522487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82522417) 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, 1422773 + ... + 1422830.

It is an arithmetic number, because the mean of its divisors is an integer number (21342030).

Almost surely, 2^82522487 is an apocalyptic number.

82522487 is a deficient number, since it is larger than the sum of its proper divisors (2845633).

82522487 is a wasteful number, since it uses less digits than its factorization.

82522487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845632.

The product of its digits is 71680, while the sum is 38.

The square root of 82522487 is about 9084.1888465619. The cubic root of 82522487 is about 435.3689334984.

The spelling of 82522487 in words is "eighty-two million, five hundred twenty-two thousand, four hundred eighty-seven".