5761571521 has 2 divisors, whose sum is σ = 5761571522. Its totient is φ = 5761571520.

The previous prime is 5761571509. The next prime is 5761571527. The reversal of 5761571521 is 1251751675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5755346496 + 6225025 = 75864^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 5761571521 - 2⁷ = 5761571393 is a prime.

It is not a weakly prime, because it can be changed into another prime (5761571527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2880785760 + 2880785761.

It is an arithmetic number, because the mean of its divisors is an integer number (2880785761).

Almost surely, 2^5761571521 is an apocalyptic number.

It is an amenable number.

5761571521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5761571521 is an equidigital number, since it uses as much as digits as its factorization.

5761571521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73500, while the sum is 40.

The square root of 5761571521 is about 75905.0164416029. The cubic root of 5761571521 is about 1792.7249074487.

The spelling of 5761571521 in words is "five billion, seven hundred sixty-one million, five hundred seventy-one thousand, five hundred twenty-one".