523617252 has 48 divisors (see below), whose sum is σ = 1245995520. Its totient is φ = 171113472.

The previous prime is 523617251. The next prime is 523617277. The reversal of 523617252 is 252716325.

It is not an unprimeable number, because it can be changed into a prime (523617251) 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, 124813 + ... + 128939.

It is an arithmetic number, because the mean of its divisors is an integer number (25958240).

Almost surely, 2^523617252 is an apocalyptic number.

It is an amenable number.

523617252 is an abundant number, since it is smaller than the sum of its proper divisors (722378268).

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

523617252 is a wasteful number, since it uses less digits than its factorization.

523617252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340 (or 4338 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 523617252 is about 22882.6845453063. The cubic root of 523617252 is about 806.0054573782.

The spelling of 523617252 in words is "five hundred twenty-three million, six hundred seventeen thousand, two hundred fifty-two".