826513485 has 64 divisors (see below), whose sum is σ = 1585889280. Its totient is φ = 359573760.

The previous prime is 826513483. The next prime is 826513489. The reversal of 826513485 is 584315628.

It is not a de Polignac number, because 826513485 - 2¹ = 826513483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826513481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214284 + ... + 218106.

It is an arithmetic number, because the mean of its divisors is an integer number (24779520).

Almost surely, 2^826513485 is an apocalyptic number.

It is an amenable number.

826513485 is a deficient number, since it is larger than the sum of its proper divisors (759375795).

826513485 is a wasteful number, since it uses less digits than its factorization.

826513485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938.

The product of its digits is 230400, while the sum is 42.

The square root of 826513485 is about 28749.1475525797. The cubic root of 826513485 is about 938.4619048064.

The spelling of 826513485 in words is "eight hundred twenty-six million, five hundred thirteen thousand, four hundred eighty-five".