63512265 has 16 divisors (see below), whose sum is σ = 101719296. Its totient is φ = 33840000.

The previous prime is 63512249. The next prime is 63512303. The reversal of 63512265 is 56221536.

It is not a de Polignac number, because 63512265 - 2⁴ = 63512249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25840 + ... + 28190.

It is an arithmetic number, because the mean of its divisors is an integer number (6357456).

Almost surely, 2^63512265 is an apocalyptic number.

It is an amenable number.

63512265 is a deficient number, since it is larger than the sum of its proper divisors (38207031).

63512265 is a wasteful number, since it uses less digits than its factorization.

63512265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160.

The product of its digits is 10800, while the sum is 30.

The square root of 63512265 is about 7969.4582626424. The cubic root of 63512265 is about 398.9812932103.

The spelling of 63512265 in words is "sixty-three million, five hundred twelve thousand, two hundred sixty-five".