575454221 has 8 divisors (see below), whose sum is σ = 597184920. Its totient is φ = 553849408.

The previous prime is 575454211. The next prime is 575454247. The reversal of 575454221 is 122454575.

It can be written as a sum of positive squares in 4 ways, for example, as 28408900 + 547045321 = 5330^2 + 23389^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 575454221 - 2¹⁸ = 575192077 is a prime.

It is a super-3 number, since 3×575454221³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575454211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22106 + ... + 40491.

It is an arithmetic number, because the mean of its divisors is an integer number (74648115).

Almost surely, 2^575454221 is an apocalyptic number.

It is an amenable number.

575454221 is a deficient number, since it is larger than the sum of its proper divisors (21730699).

575454221 is a wasteful number, since it uses less digits than its factorization.

575454221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62943.

The product of its digits is 56000, while the sum is 35.

The square root of 575454221 is about 23988.6269094336. The cubic root of 575454221 is about 831.7706531038.

The spelling of 575454221 in words is "five hundred seventy-five million, four hundred fifty-four thousand, two hundred twenty-one".