5707505521 has 4 divisors (see below), whose sum is σ = 5708252272. Its totient is φ = 5706758772.

The previous prime is 5707505497. The next prime is 5707505527. The reversal of 5707505521 is 1255057075.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5707505521 - 2¹⁹ = 5706981233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5707505527) 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 in 3 ways as a sum of consecutive naturals, for example, 361791 + ... + 377236.

It is an arithmetic number, because the mean of its divisors is an integer number (1427063068).

Almost surely, 2^5707505521 is an apocalyptic number.

It is an amenable number.

5707505521 is a deficient number, since it is larger than the sum of its proper divisors (746751).

5707505521 is an equidigital number, since it uses as much as digits as its factorization.

5707505521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746750.

The product of its (nonzero) digits is 61250, while the sum is 37.

The square root of 5707505521 is about 75548.0345277096. The cubic root of 5707505521 is about 1787.0996924897.

The spelling of 5707505521 in words is "five billion, seven hundred seven million, five hundred five thousand, five hundred twenty-one".