523505252 has 24 divisors (see below), whose sum is σ = 965089440. Its totient is φ = 247786560.

The previous prime is 523505251. The next prime is 523505273. The reversal of 523505252 is 252505325.

It is not an unprimeable number, because it can be changed into a prime (523505251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181808 + ... + 184664.

It is an arithmetic number, because the mean of its divisors is an integer number (40212060).

Almost surely, 2^523505252 is an apocalyptic number.

It is an amenable number.

523505252 is a deficient number, since it is larger than the sum of its proper divisors (441584188).

523505252 is a wasteful number, since it uses less digits than its factorization.

523505252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 523505252 is about 22880.2371491206. The cubic root of 523505252 is about 805.9479859790.

The spelling of 523505252 in words is "five hundred twenty-three million, five hundred five thousand, two hundred fifty-two".