63113225 has 18 divisors (see below), whose sum is σ = 91039374. Its totient is φ = 43276800.

The previous prime is 63113221. The next prime is 63113233. The reversal of 63113225 is 52231136.

It can be written as a sum of positive squares in 3 ways, for example, as 1207801 + 61905424 = 1099^2 + 7868^2 .

It is not a de Polignac number, because 63113225 - 2² = 63113221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63113225.

It is not an unprimeable number, because it can be changed into a prime (63113221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24536 + ... + 26985.

It is an arithmetic number, because the mean of its divisors is an integer number (5057743).

Almost surely, 2^63113225 is an apocalyptic number.

It is an amenable number.

63113225 is a deficient number, since it is larger than the sum of its proper divisors (27926149).

63113225 is a wasteful number, since it uses less digits than its factorization.

63113225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51545 (or 51533 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 63113225 is about 7944.3832359724. The cubic root of 63113225 is about 398.1439531290.

The spelling of 63113225 in words is "sixty-three million, one hundred thirteen thousand, two hundred twenty-five".