82413511 has 4 divisors (see below), whose sum is σ = 83456800. Its totient is φ = 81370224.

The previous prime is 82413503. The next prime is 82413523. The reversal of 82413511 is 11531428.

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 82413511 - 2³ = 82413503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82413581) 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, 521526 + ... + 521683.

It is an arithmetic number, because the mean of its divisors is an integer number (20864200).

Almost surely, 2^82413511 is an apocalyptic number.

82413511 is a deficient number, since it is larger than the sum of its proper divisors (1043289).

82413511 is a wasteful number, since it uses less digits than its factorization.

82413511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043288.

The product of its digits is 960, while the sum is 25.

The square root of 82413511 is about 9078.1887510670. The cubic root of 82413511 is about 435.1772052939.

Adding to 82413511 its reverse (11531428), we get a palindrome (93944939).

The spelling of 82413511 in words is "eighty-two million, four hundred thirteen thousand, five hundred eleven".