535504212 has 36 divisors (see below), whose sum is σ = 1362734100. Its totient is φ = 177301632.

The previous prime is 535504187. The next prime is 535504213. The reversal of 535504212 is 212405535.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104775696 + 430728516 = 10236^2 + 20754^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×535504212² = 573529522139481888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535504213) 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 11 ways as a sum of consecutive naturals, for example, 44553 + ... + 55280.

It is an arithmetic number, because the mean of its divisors is an integer number (37853725).

Almost surely, 2^535504212 is an apocalyptic number.

It is an amenable number.

535504212 is an abundant number, since it is smaller than the sum of its proper divisors (827229888).

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

535504212 is a wasteful number, since it uses less digits than its factorization.

535504212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99992 (or 99987 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 535504212 is about 23140.9639384361. The cubic root of 535504212 is about 812.0590867565.

Adding to 535504212 its reverse (212405535), we get a palindrome (747909747).

The spelling of 535504212 in words is "five hundred thirty-five million, five hundred four thousand, two hundred twelve".