82242571 has 8 divisors (see below), whose sum is σ = 83190800. Its totient is φ = 81298080.

The previous prime is 82242569. The next prime is 82242593. The reversal of 82242571 is 17524228.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82242571 - 2¹ = 82242569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82242551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80041 + ... + 81061.

It is an arithmetic number, because the mean of its divisors is an integer number (10398850).

Almost surely, 2^82242571 is an apocalyptic number.

82242571 is a deficient number, since it is larger than the sum of its proper divisors (948229).

82242571 is a wasteful number, since it uses less digits than its factorization.

82242571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869.

The product of its digits is 8960, while the sum is 31.

The square root of 82242571 is about 9068.7689903316. The cubic root of 82242571 is about 434.8761192140.

Adding to 82242571 its reverse (17524228), we get a palindrome (99766799).

The spelling of 82242571 in words is "eighty-two million, two hundred forty-two thousand, five hundred seventy-one".