63265215 has 16 divisors (see below), whose sum is σ = 109011168. Its totient is φ = 31145856.

The previous prime is 63265201. The next prime is 63265247. The reversal of 63265215 is 51256236.

It is not a de Polignac number, because 63265215 - 2⁸ = 63264959 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 162024 + ... + 162413.

It is an arithmetic number, because the mean of its divisors is an integer number (6813198).

Almost surely, 2^63265215 is an apocalyptic number.

63265215 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

63265215 is a deficient number, since it is larger than the sum of its proper divisors (45745953).

63265215 is a wasteful number, since it uses less digits than its factorization.

63265215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324458.

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

The square root of 63265215 is about 7953.9433616289. The cubic root of 63265215 is about 398.4633018739.

The spelling of 63265215 in words is "sixty-three million, two hundred sixty-five thousand, two hundred fifteen".