523213536 has 48 divisors (see below), whose sum is σ = 1417747968. Its totient is φ = 168777600.

The previous prime is 523213477. The next prime is 523213571. The reversal of 523213536 is 635312325.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 84930 + ... + 90881.

It is an arithmetic number, because the mean of its divisors is an integer number (29536416).

Almost surely, 2^523213536 is an apocalyptic number.

It is an amenable number.

523213536 is an abundant number, since it is smaller than the sum of its proper divisors (894534432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523213536 is a wasteful number, since it uses less digits than its factorization.

523213536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175855 (or 175847 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 523213536 is about 22873.8614142868. The cubic root of 523213536 is about 805.7982570727.

The spelling of 523213536 in words is "five hundred twenty-three million, two hundred thirteen thousand, five hundred thirty-six".