63512475025 has 12 divisors (see below), whose sum is σ = 78948037900. Its totient is φ = 50685742080.

The previous prime is 63512474989. The next prime is 63512475043. The reversal of 63512475025 is 52057421536.

It can be written as a sum of positive squares in 6 ways, for example, as 4210971664 + 59301503361 = 64892^2 + 243519^2 .

It is not a de Polignac number, because 63512475025 - 2⁷ = 63512474897 is a prime.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 3095520 + ... + 3115969.

Almost surely, 2^63512475025 is an apocalyptic number.

It is an amenable number.

63512475025 is a deficient number, since it is larger than the sum of its proper divisors (15435562875).

63512475025 is a wasteful number, since it uses less digits than its factorization.

63512475025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211908 (or 6211903 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 63512475025 in words is "sixty-three billion, five hundred twelve million, four hundred seventy-five thousand, twenty-five".