523491112 has 8 divisors (see below), whose sum is σ = 981545850. Its totient is φ = 261745552.

The previous prime is 523491107. The next prime is 523491113. The reversal of 523491112 is 211194325.

It can be written as a sum of positive squares in only one way, i.e., 499343716 + 24147396 = 22346^2 + 4914^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (523491113) 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 as a sum of consecutive naturals, namely, 32718187 + ... + 32718202.

Almost surely, 2^523491112 is an apocalyptic number.

It is an amenable number.

523491112 is a deficient number, since it is larger than the sum of its proper divisors (458054738).

523491112 is a wasteful number, since it uses less digits than its factorization.

523491112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65436395 (or 65436391 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 523491112 is about 22879.9281467403. The cubic root of 523491112 is about 805.9407296321.

The spelling of 523491112 in words is "five hundred twenty-three million, four hundred ninety-one thousand, one hundred twelve".