523161288 has 64 divisors (see below), whose sum is σ = 1565020800. Its totient is φ = 160971840.

The previous prime is 523161283. The next prime is 523161323. The reversal of 523161288 is 882161325.

It is a happy number.

523161288 is a `hidden beast` number, since 5 + 2 + 31 + 612 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (523161283) 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 15 ways as a sum of consecutive naturals, for example, 90348 + ... + 95963.

It is an arithmetic number, because the mean of its divisors is an integer number (24453450).

Almost surely, 2^523161288 is an apocalyptic number.

It is an amenable number.

523161288 is an abundant number, since it is smaller than the sum of its proper divisors (1041859512).

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

523161288 is a wasteful number, since it uses less digits than its factorization.

523161288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186339 (or 186329 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 523161288 is about 22872.7192961397. The cubic root of 523161288 is about 805.7714338951.

The spelling of 523161288 in words is "five hundred twenty-three million, one hundred sixty-one thousand, two hundred eighty-eight".