82526289 has 4 divisors (see below), whose sum is σ = 110035056. Its totient is φ = 55017524.

The previous prime is 82526267. The next prime is 82526299. The reversal of 82526289 is 98262528.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82526289 - 2⁷ = 82526161 is a prime.

It is a super-2 number, since 2×82526289² = 13621176752223042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82526289.

It is not an unprimeable number, because it can be changed into a prime (82526239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13754379 + ... + 13754384.

It is an arithmetic number, because the mean of its divisors is an integer number (27508764).

Almost surely, 2^82526289 is an apocalyptic number.

It is an amenable number.

82526289 is a deficient number, since it is larger than the sum of its proper divisors (27508767).

82526289 is a wasteful number, since it uses less digits than its factorization.

82526289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27508766.

The product of its digits is 138240, while the sum is 42.

The square root of 82526289 is about 9084.3981088457. The cubic root of 82526289 is about 435.3756195438.

It can be divided in two parts, 8252 and 6289, that added together give a palindrome (14541).

The spelling of 82526289 in words is "eighty-two million, five hundred twenty-six thousand, two hundred eighty-nine".