575050916221 has 2 divisors, whose sum is σ = 575050916222. Its totient is φ = 575050916220.

The previous prime is 575050916197. The next prime is 575050916353. The reversal of 575050916221 is 122619050575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425444412121 + 149606504100 = 652261^2 + 386790^2 .

It is a cyclic number.

It is not a de Polignac number, because 575050916221 - 2²⁷ = 574916698493 is a prime.

It is a super-2 number, since 2×575050916221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (575050916621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287525458110 + 287525458111.

It is an arithmetic number, because the mean of its divisors is an integer number (287525458111).

Almost surely, 2^575050916221 is an apocalyptic number.

It is an amenable number.

575050916221 is a deficient number, since it is larger than the sum of its proper divisors (1).

575050916221 is an equidigital number, since it uses as much as digits as its factorization.

575050916221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 43.

Adding to 575050916221 its reverse (122619050575), we get a palindrome (697669966796).

The spelling of 575050916221 in words is "five hundred seventy-five billion, fifty million, nine hundred sixteen thousand, two hundred twenty-one".