869552523 has 32 divisors (see below), whose sum is σ = 1487467520. Its totient is φ = 491754240.

The previous prime is 869552473. The next prime is 869552539. The reversal of 869552523 is 325255968.

869552523 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 869552523 - 2⁶ = 869552459 is a prime.

It is a super-2 number, since 2×869552523² = 1512243180511331058, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (869552543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5383 + ... + 42048.

It is an arithmetic number, because the mean of its divisors is an integer number (46483360).

Almost surely, 2^869552523 is an apocalyptic number.

869552523 is a deficient number, since it is larger than the sum of its proper divisors (617914997).

869552523 is a wasteful number, since it uses less digits than its factorization.

869552523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47544 (or 47538 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 869552523 is about 29488.1759863170. The cubic root of 869552523 is about 954.4765725359.

The spelling of 869552523 in words is "eight hundred sixty-nine million, five hundred fifty-two thousand, five hundred twenty-three".