82130523 has 8 divisors (see below), whose sum is σ = 113283600. Its totient is φ = 52865568.

The previous prime is 82130509. The next prime is 82130557. The reversal of 82130523 is 32503128.

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

It is not a de Polignac number, because 82130523 - 2⁴ = 82130507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82130493 and 82130502.

It is not an unprimeable number, because it can be changed into a prime (82130593) 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, 471928 + ... + 472101.

It is an arithmetic number, because the mean of its divisors is an integer number (14160450).

Almost surely, 2^82130523 is an apocalyptic number.

82130523 is a deficient number, since it is larger than the sum of its proper divisors (31153077).

82130523 is a wasteful number, since it uses less digits than its factorization.

82130523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944061.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 82130523 is about 9062.5891995610. The cubic root of 82130523 is about 434.6785364444.

The spelling of 82130523 in words is "eighty-two million, one hundred thirty thousand, five hundred twenty-three".