63625745 has 8 divisors (see below), whose sum is σ = 77602920. Its totient is φ = 50065920.

The previous prime is 63625741. The next prime is 63625753. The reversal of 63625745 is 54752636.

63625745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2676496 + 60949249 = 1636^2 + 7807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63625745 - 2² = 63625741 is a prime.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 63625699 and 63625708.

It is not an unprimeable number, because it can be changed into a prime (63625741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104000 + ... + 104609.

It is an arithmetic number, because the mean of its divisors is an integer number (9700365).

Almost surely, 2^63625745 is an apocalyptic number.

It is an amenable number.

63625745 is a deficient number, since it is larger than the sum of its proper divisors (13977175).

63625745 is a wasteful number, since it uses less digits than its factorization.

63625745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208675.

The product of its digits is 151200, while the sum is 38.

The square root of 63625745 is about 7976.5747661512. The cubic root of 63625745 is about 399.2187773044.

The spelling of 63625745 in words is "sixty-three million, six hundred twenty-five thousand, seven hundred forty-five".