535201221 has 8 divisors (see below), whose sum is σ = 722634880. Its totient is φ = 352284192.

The previous prime is 535201217. The next prime is 535201243. The reversal of 535201221 is 122102535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 535201221 - 2² = 535201217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535201201) 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 7 ways as a sum of consecutive naturals, for example, 1128880 + ... + 1129353.

It is an arithmetic number, because the mean of its divisors is an integer number (90329360).

Almost surely, 2^535201221 is an apocalyptic number.

It is an amenable number.

535201221 is a deficient number, since it is larger than the sum of its proper divisors (187433659).

535201221 is a wasteful number, since it uses less digits than its factorization.

535201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258315.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 535201221 is about 23134.4163747435. The cubic root of 535201221 is about 811.9059021449.

Adding to 535201221 its reverse (122102535), we get a palindrome (657303756).

The spelling of 535201221 in words is "five hundred thirty-five million, two hundred one thousand, two hundred twenty-one".