523161306 has 48 divisors (see below), whose sum is σ = 1170902304. Its totient is φ = 168712992.

The previous prime is 523161283. The next prime is 523161323. The reversal of 523161306 is 603161325.

523161306 is a `hidden beast` number, since 523 + 1 + 6 + 130 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 523161306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79660 + ... + 85976.

It is an arithmetic number, because the mean of its divisors is an integer number (24393798).

Almost surely, 2^523161306 is an apocalyptic number.

523161306 is an abundant number, since it is smaller than the sum of its proper divisors (647740998).

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

523161306 is a wasteful number, since it uses less digits than its factorization.

523161306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6475 (or 6472 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 523161306 is about 22872.7196896215. The cubic root of 523161306 is about 805.7714431363.

The spelling of 523161306 in words is "five hundred twenty-three million, one hundred sixty-one thousand, three hundred six".