63845925 has 48 divisors (see below), whose sum is σ = 124033728. Its totient is φ = 28569600.

The previous prime is 63845923. The next prime is 63845939. The reversal of 63845925 is 52954836.

It is not a de Polignac number, because 63845925 - 2¹ = 63845923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63845921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7749 + ... + 13701.

It is an arithmetic number, because the mean of its divisors is an integer number (2584036).

Almost surely, 2^63845925 is an apocalyptic number.

63845925 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63845925 is a deficient number, since it is larger than the sum of its proper divisors (60187803).

63845925 is a wasteful number, since it uses less digits than its factorization.

63845925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990 (or 5985 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 63845925 is about 7990.3645098331. The cubic root of 63845925 is about 399.6787524858.

The spelling of 63845925 in words is "sixty-three million, eight hundred forty-five thousand, nine hundred twenty-five".