63225273 has 4 divisors (see below), whose sum is σ = 84300368. Its totient is φ = 42150180.

The previous prime is 63225271. The next prime is 63225289. The reversal of 63225273 is 37252236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63225273 - 2¹ = 63225271 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63225273.

It is not an unprimeable number, because it can be changed into a prime (63225271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10537543 + ... + 10537548.

It is an arithmetic number, because the mean of its divisors is an integer number (21075092).

Almost surely, 2^63225273 is an apocalyptic number.

It is an amenable number.

63225273 is a deficient number, since it is larger than the sum of its proper divisors (21075095).

63225273 is a wasteful number, since it uses less digits than its factorization.

63225273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21075094.

The product of its digits is 15120, while the sum is 30.

The square root of 63225273 is about 7951.4321351565. The cubic root of 63225273 is about 398.3794286547.

The spelling of 63225273 in words is "sixty-three million, two hundred twenty-five thousand, two hundred seventy-three".