63725103 has 16 divisors (see below), whose sum is σ = 101670240. Its totient is φ = 39215232.

The previous prime is 63725099. The next prime is 63725117. The reversal of 63725103 is 30152736.

It is a happy number.

63725103 is a `hidden beast` number, since 637 + 25 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 63725103 - 2² = 63725099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63725143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90426 + ... + 91127.

It is an arithmetic number, because the mean of its divisors is an integer number (6354390).

Almost surely, 2^63725103 is an apocalyptic number.

63725103 is a deficient number, since it is larger than the sum of its proper divisors (37945137).

63725103 is a wasteful number, since it uses less digits than its factorization.

63725103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181575 (or 181569 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 63725103 is about 7982.8004484642. The cubic root of 63725103 is about 399.4264759852.

Adding to 63725103 its reverse (30152736), we get a palindrome (93877839).

The spelling of 63725103 in words is "sixty-three million, seven hundred twenty-five thousand, one hundred three".