63256065 has 16 divisors (see below), whose sum is σ = 107163648. Its totient is φ = 31751936.

The previous prime is 63256057. The next prime is 63256069. The reversal of 63256065 is 56065236.

It is a cyclic number.

It is not a de Polignac number, because 63256065 - 2³ = 63256057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63256069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123777 + ... + 124286.

It is an arithmetic number, because the mean of its divisors is an integer number (6697728).

Almost surely, 2^63256065 is an apocalyptic number.

It is an amenable number.

63256065 is a deficient number, since it is larger than the sum of its proper divisors (43907583).

63256065 is a wasteful number, since it uses less digits than its factorization.

63256065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248088.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 63256065 is about 7953.3681544362. The cubic root of 63256065 is about 398.4440911328. Note that the first 3 decimals are identical.

The spelling of 63256065 in words is "sixty-three million, two hundred fifty-six thousand, sixty-five".