82241513 has 8 divisors (see below), whose sum is σ = 83448456. Its totient is φ = 81043200.

The previous prime is 82241507. The next prime is 82241521. The reversal of 82241513 is 31514228.

It can be written as a sum of positive squares in 4 ways, for example, as 21977344 + 60264169 = 4688^2 + 7763^2 .

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 82241513 - 2²² = 78047209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82241503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18443 + ... + 22463.

It is an arithmetic number, because the mean of its divisors is an integer number (10431057).

Almost surely, 2^82241513 is an apocalyptic number.

It is an amenable number.

82241513 is a deficient number, since it is larger than the sum of its proper divisors (1206943).

82241513 is a wasteful number, since it uses less digits than its factorization.

82241513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315.

The product of its digits is 1920, while the sum is 26.

The square root of 82241513 is about 9068.7106580814. The cubic root of 82241513 is about 434.8742544015.

The spelling of 82241513 in words is "eighty-two million, two hundred forty-one thousand, five hundred thirteen".