63124225 has 6 divisors (see below), whose sum is σ = 78274070. Its totient is φ = 50499360.

The previous prime is 63124223. The next prime is 63124231. The reversal of 63124225 is 52242136.

It can be written as a sum of positive squares in 3 ways, for example, as 19722481 + 43401744 = 4441^2 + 6588^2 .

It is not a de Polignac number, because 63124225 - 2¹ = 63124223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2524969 = 63124225 / (6 + 3 + 1 + 2 + 4 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 63124225.

It is not an unprimeable number, because it can be changed into a prime (63124223) 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 5 ways as a sum of consecutive naturals, for example, 1262460 + ... + 1262509.

Almost surely, 2^63124225 is an apocalyptic number.

It is an amenable number.

63124225 is a deficient number, since it is larger than the sum of its proper divisors (15149845).

63124225 is a wasteful number, since it uses less digits than its factorization.

63124225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524979 (or 2524974 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 63124225 is about 7945.0755188356. The cubic root of 63124225 is about 398.1670826135.

The spelling of 63124225 in words is "sixty-three million, one hundred twenty-four thousand, two hundred twenty-five".