63725101 has 4 divisors (see below), whose sum is σ = 69518304. Its totient is φ = 57931900.

The previous prime is 63725099. The next prime is 63725117. The reversal of 63725101 is 10152736.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63725101 - 2¹ = 63725099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63725161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896585 + ... + 2896606.

It is an arithmetic number, because the mean of its divisors is an integer number (17379576).

Almost surely, 2^63725101 is an apocalyptic number.

It is an amenable number.

63725101 is a deficient number, since it is larger than the sum of its proper divisors (5793203).

63725101 is a wasteful number, since it uses less digits than its factorization.

63725101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5793202.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 63725101 is about 7982.8003231949. The cubic root of 63725101 is about 399.4264718066.

Adding to 63725101 its reverse (10152736), we get a palindrome (73877837).

The spelling of 63725101 in words is "sixty-three million, seven hundred twenty-five thousand, one hundred one".