535350221 has 4 divisors (see below), whose sum is σ = 611828832. Its totient is φ = 458871612.

The previous prime is 535350209. The next prime is 535350223. The reversal of 535350221 is 122053535.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122053535 = 5 ⋅24410707.

It is a cyclic number.

It is not a de Polignac number, because 535350221 - 2¹⁰ = 535349197 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 (535350223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38239295 + ... + 38239308.

It is an arithmetic number, because the mean of its divisors is an integer number (152957208).

Almost surely, 2^535350221 is an apocalyptic number.

It is an amenable number.

535350221 is a deficient number, since it is larger than the sum of its proper divisors (76478611).

535350221 is an equidigital number, since it uses as much as digits as its factorization.

535350221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76478610.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 535350221 is about 23137.6364609698. The cubic root of 535350221 is about 811.9812400116.

The spelling of 535350221 in words is "five hundred thirty-five million, three hundred fifty thousand, two hundred twenty-one".