63525627531 has 12 divisors (see below), whose sum is σ = 91763223552. Its totient is φ = 42348579696.

The previous prime is 63525627511. The next prime is 63525627553. The reversal of 63525627531 is 13572652536.

63525627531 is a `hidden beast` number, since 6 + 3 + 52 + 5 + 62 + 7 + 531 = 666.

63525627531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63525627531 - 2¹⁷ = 63525496459 is a prime.

It is a super-2 number, since 2×63525627531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63525627511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85105 + ... + 366461.

It is an arithmetic number, because the mean of its divisors is an integer number (7646935296).

Almost surely, 2^63525627531 is an apocalyptic number.

63525627531 is a deficient number, since it is larger than the sum of its proper divisors (28237596021).

63525627531 is a wasteful number, since it uses less digits than its factorization.

63525627531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306450 (or 306447 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 45.

The spelling of 63525627531 in words is "sixty-three billion, five hundred twenty-five million, six hundred twenty-seven thousand, five hundred thirty-one".