823523525 has 24 divisors (see below), whose sum is σ = 1149950208. Its totient is φ = 579600000.

The previous prime is 823523521. The next prime is 823523531. The reversal of 823523525 is 525325328.

823523525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 823523525 - 2² = 823523521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823523521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39776 + ... + 56825.

It is an arithmetic number, because the mean of its divisors is an integer number (47914592).

Almost surely, 2^823523525 is an apocalyptic number.

It is an amenable number.

823523525 is a deficient number, since it is larger than the sum of its proper divisors (326426683).

823523525 is a wasteful number, since it uses less digits than its factorization.

823523525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96653 (or 96648 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 823523525 is about 28697.0995921191. The cubic root of 823523525 is about 937.3288908457.

The spelling of 823523525 in words is "eight hundred twenty-three million, five hundred twenty-three thousand, five hundred twenty-five".