82413361 has 4 divisors (see below), whose sum is σ = 82552932. Its totient is φ = 82273792.

The previous prime is 82413349. The next prime is 82413367. The reversal of 82413361 is 16331428.

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 17514225 + 64899136 = 4185^2 + 8056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82413361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82413367) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68896 + ... + 70081.

It is an arithmetic number, because the mean of its divisors is an integer number (20638233).

Almost surely, 2^82413361 is an apocalyptic number.

It is an amenable number.

82413361 is a deficient number, since it is larger than the sum of its proper divisors (139571).

82413361 is a wasteful number, since it uses less digits than its factorization.

82413361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139570.

The product of its digits is 3456, while the sum is 28.

The square root of 82413361 is about 9078.1804895034. The cubic root of 82413361 is about 435.1769412732.

Adding to 82413361 its reverse (16331428), we get a palindrome (98744789).

The spelling of 82413361 in words is "eighty-two million, four hundred thirteen thousand, three hundred sixty-one".