63925489 has 8 divisors (see below), whose sum is σ = 65007360. Its totient is φ = 62848800.

The previous prime is 63925451. The next prime is 63925493. The reversal of 63925489 is 98452936.

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

It is a cyclic number.

It is not a de Polignac number, because 63925489 - 2⁷ = 63925361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63925289) 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, 29557 + ... + 31645.

It is an arithmetic number, because the mean of its divisors is an integer number (8125920).

Almost surely, 2^63925489 is an apocalyptic number.

It is an amenable number.

63925489 is a deficient number, since it is larger than the sum of its proper divisors (1081871).

63925489 is a wasteful number, since it uses less digits than its factorization.

63925489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591.

The product of its digits is 466560, while the sum is 46.

The square root of 63925489 is about 7995.3417062687. The cubic root of 63925489 is about 399.8447084692.

It can be divided in two parts, 6392 and 5489, that added together give a square (11881 = 109²).

The spelling of 63925489 in words is "sixty-three million, nine hundred twenty-five thousand, four hundred eighty-nine".