7725520573 has 2 divisors, whose sum is σ = 7725520574. Its totient is φ = 7725520572.

The previous prime is 7725520549. The next prime is 7725520637. The reversal of 7725520573 is 3750255277.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4225260004 + 3500260569 = 65002^2 + 59163^2 .

It is a cyclic number.

It is not a de Polignac number, because 7725520573 - 2⁵ = 7725520541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7725520513) 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, 3862760286 + 3862760287.

It is an arithmetic number, because the mean of its divisors is an integer number (3862760287).

Almost surely, 2^7725520573 is an apocalyptic number.

It is an amenable number.

7725520573 is a deficient number, since it is larger than the sum of its proper divisors (1).

7725520573 is an equidigital number, since it uses as much as digits as its factorization.

7725520573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 514500, while the sum is 43.

The square root of 7725520573 is about 87894.9405426729. The cubic root of 7725520573 is about 1976.8600175654.

The spelling of 7725520573 in words is "seven billion, seven hundred twenty-five million, five hundred twenty thousand, five hundred seventy-three".