82507535 has 16 divisors (see below), whose sum is σ = 108192672. Its totient is φ = 59904000.

The previous prime is 82507531. The next prime is 82507549. The reversal of 82507535 is 53570528.

It is not a de Polignac number, because 82507535 - 2² = 82507531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82507495 and 82507504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82507531) 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 15 ways as a sum of consecutive naturals, for example, 50735 + ... + 52335.

It is an arithmetic number, because the mean of its divisors is an integer number (6762042).

Almost surely, 2^82507535 is an apocalyptic number.

82507535 is a deficient number, since it is larger than the sum of its proper divisors (25685137).

82507535 is a wasteful number, since it uses less digits than its factorization.

82507535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 82507535 is about 9083.3658409204. The cubic root of 82507535 is about 435.3426375165.

The spelling of 82507535 in words is "eighty-two million, five hundred seven thousand, five hundred thirty-five".