63755825 has 24 divisors (see below), whose sum is σ = 91035840. Its totient is φ = 43387200.

The previous prime is 63755821. The next prime is 63755897. The reversal of 63755825 is 52855736.

It is not a de Polignac number, because 63755825 - 2² = 63755821 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63755821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23015 + ... + 25635.

It is an arithmetic number, because the mean of its divisors is an integer number (3793160).

Almost surely, 2^63755825 is an apocalyptic number.

It is an amenable number.

63755825 is a deficient number, since it is larger than the sum of its proper divisors (27280015).

63755825 is a wasteful number, since it uses less digits than its factorization.

63755825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777 (or 2772 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 63755825 is about 7984.7244786530. The cubic root of 63755825 is about 399.4906537747.

The spelling of 63755825 in words is "sixty-three million, seven hundred fifty-five thousand, eight hundred twenty-five".