535361221 has 4 divisors (see below), whose sum is σ = 544435200. Its totient is φ = 526287244.

The previous prime is 535361219. The next prime is 535361273. The reversal of 535361221 is 122163535.

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.

It is a cyclic number.

It is not a de Polignac number, because 535361221 - 2¹ = 535361219 is a prime.

It is a super-2 number, since 2×535361221² = 573223273901221682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 535361221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535361291) 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, 4536901 + ... + 4537018.

It is an arithmetic number, because the mean of its divisors is an integer number (136108800).

Almost surely, 2^535361221 is an apocalyptic number.

It is an amenable number.

535361221 is a deficient number, since it is larger than the sum of its proper divisors (9073979).

535361221 is an equidigital number, since it uses as much as digits as its factorization.

535361221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9073978.

The product of its digits is 5400, while the sum is 28.

The square root of 535361221 is about 23137.8741676931. The cubic root of 535361221 is about 811.9868013134.

The spelling of 535361221 in words is "five hundred thirty-five million, three hundred sixty-one thousand, two hundred twenty-one".