63525417047 has 2 divisors, whose sum is σ = 63525417048. Its totient is φ = 63525417046.

The previous prime is 63525417023. The next prime is 63525417049. The reversal of 63525417047 is 74071452536.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63525417047 is a prime.

It is a super-2 number, since 2×63525417047² (a number of 22 digits) contains 22 as substring.

Together with 63525417049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63525416989 and 63525417007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63525417049) 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, 31762708523 + 31762708524.

It is an arithmetic number, because the mean of its divisors is an integer number (31762708524).

Almost surely, 2^63525417047 is an apocalyptic number.

63525417047 is a deficient number, since it is larger than the sum of its proper divisors (1).

63525417047 is an equidigital number, since it uses as much as digits as its factorization.

63525417047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 63525417047 in words is "sixty-three billion, five hundred twenty-five million, four hundred seventeen thousand, forty-seven".