63825707 has 4 divisors (see below), whose sum is σ = 69628056. Its totient is φ = 58023360.

The previous prime is 63825691. The next prime is 63825743. The reversal of 63825707 is 70752836.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63825707 - 2⁴ = 63825691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63825767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2901158 + ... + 2901179.

It is an arithmetic number, because the mean of its divisors is an integer number (17407014).

Almost surely, 2^63825707 is an apocalyptic number.

63825707 is a deficient number, since it is larger than the sum of its proper divisors (5802349).

63825707 is a wasteful number, since it uses less digits than its factorization.

63825707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5802348.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 63825707 is about 7989.0992608679. The cubic root of 63825707 is about 399.6365594608.

The spelling of 63825707 in words is "sixty-three million, eight hundred twenty-five thousand, seven hundred seven".