524180161 has 8 divisors (see below), whose sum is σ = 528586344. Its totient is φ = 519792000.

The previous prime is 524180047. The next prime is 524180171. The reversal of 524180161 is 161081425.

It can be written as a sum of positive squares in 4 ways, for example, as 6890625 + 517289536 = 2625^2 + 22744^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-524180161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524180171) 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 in 7 ways as a sum of consecutive naturals, for example, 57411 + ... + 65911.

It is an arithmetic number, because the mean of its divisors is an integer number (66073293).

Almost surely, 2^524180161 is an apocalyptic number.

It is an amenable number.

524180161 is a deficient number, since it is larger than the sum of its proper divisors (4406183).

524180161 is a wasteful number, since it uses less digits than its factorization.

524180161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 524180161 is about 22894.9811312436. The cubic root of 524180161 is about 806.2941830563.

The spelling of 524180161 in words is "five hundred twenty-four million, one hundred eighty thousand, one hundred sixty-one".