82520534 has 8 divisors (see below), whose sum is σ = 130295640. Its totient is φ = 39088656.

The previous prime is 82520513. The next prime is 82520539. The reversal of 82520534 is 43502528.

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

It is a junction number, because it is equal to n+sod(n) for n = 82520497 and 82520506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82520539) 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, 1085759 + ... + 1085834.

It is an arithmetic number, because the mean of its divisors is an integer number (16286955).

Almost surely, 2^82520534 is an apocalyptic number.

82520534 is a deficient number, since it is larger than the sum of its proper divisors (47775106).

82520534 is a wasteful number, since it uses less digits than its factorization.

82520534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171614.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 82520534 is about 9084.0813514631. The cubic root of 82520534 is about 435.3654989508.

The spelling of 82520534 in words is "eighty-two million, five hundred twenty thousand, five hundred thirty-four".