522303652 has 24 divisors (see below), whose sum is σ = 986657336. Its totient is φ = 240496128.

The previous prime is 522303647. The next prime is 522303653. The reversal of 522303652 is 256303225.

It can be written as a sum of positive squares in 4 ways, for example, as 63744256 + 458559396 = 7984^2 + 21414^2 .

It is a super-2 number, since 2×522303652² = 545602209785074208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522303652.

It is not an unprimeable number, because it can be changed into a prime (522303653) 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, 10918 + ... + 34114.

Almost surely, 2^522303652 is an apocalyptic number.

522303652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

522303652 is a deficient number, since it is larger than the sum of its proper divisors (464353684).

522303652 is a wasteful number, since it uses less digits than its factorization.

522303652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23647 (or 23645 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 522303652 is about 22853.9635949653. The cubic root of 522303652 is about 805.3308836130.

Adding to 522303652 its reverse (256303225), we get a palindrome (778606877).

The spelling of 522303652 in words is "five hundred twenty-two million, three hundred three thousand, six hundred fifty-two".