2201535521 has 2 divisors, whose sum is σ = 2201535522. Its totient is φ = 2201535520.

The previous prime is 2201535487. The next prime is 2201535527. The reversal of 2201535521 is 1255351022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2143227025 + 58308496 = 46295^2 + 7636^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201535521 - 2¹⁸ = 2201273377 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201535527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100767760 + 1100767761.

It is an arithmetic number, because the mean of its divisors is an integer number (1100767761).

Almost surely, 2^2201535521 is an apocalyptic number.

It is an amenable number.

2201535521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201535521 is an equidigital number, since it uses as much as digits as its factorization.

2201535521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2201535521 is about 46920.5234518968. The cubic root of 2201535521 is about 1300.8939651889.

Adding to 2201535521 its reverse (1255351022), we get a palindrome (3456886543).

The spelling of 2201535521 in words is "two billion, two hundred one million, five hundred thirty-five thousand, five hundred twenty-one".