7241175521 has 2 divisors, whose sum is σ = 7241175522. Its totient is φ = 7241175520.

The previous prime is 7241175499. The next prime is 7241175541. The reversal of 7241175521 is 1255711427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6709411921 + 531763600 = 81911^2 + 23060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7241175521 is a prime.

It is not a weakly prime, because it can be changed into another prime (7241175541) 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 as a sum of consecutive naturals, namely, 3620587760 + 3620587761.

It is an arithmetic number, because the mean of its divisors is an integer number (3620587761).

Almost surely, 2^7241175521 is an apocalyptic number.

It is an amenable number.

7241175521 is a deficient number, since it is larger than the sum of its proper divisors (1).

7241175521 is an equidigital number, since it uses as much as digits as its factorization.

7241175521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19600, while the sum is 35.

The square root of 7241175521 is about 85095.0969269088. The cubic root of 7241175521 is about 1934.6527493280.

Adding to 7241175521 its reverse (1255711427), we get a palindrome (8496886948).

The spelling of 7241175521 in words is "seven billion, two hundred forty-one million, one hundred seventy-five thousand, five hundred twenty-one".