63425757 has 8 divisors (see below), whose sum is σ = 84685984. Its totient is φ = 42224688.

The previous prime is 63425753. The next prime is 63425771. The reversal of 63425757 is 75752436.

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

It is not a de Polignac number, because 63425757 - 2² = 63425753 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 (63425753) 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 7 ways as a sum of consecutive naturals, for example, 12223 + ... + 16620.

It is an arithmetic number, because the mean of its divisors is an integer number (10585748).

Almost surely, 2^63425757 is an apocalyptic number.

It is an amenable number.

63425757 is a deficient number, since it is larger than the sum of its proper divisors (21260227).

63425757 is a wasteful number, since it uses less digits than its factorization.

63425757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29579.

The product of its digits is 176400, while the sum is 39.

The square root of 63425757 is about 7964.0289426897. The cubic root of 63425757 is about 398.8000644025.

The spelling of 63425757 in words is "sixty-three million, four hundred twenty-five thousand, seven hundred fifty-seven".