63569225 has 12 divisors (see below), whose sum is σ = 79115100. Its totient is φ = 50668800.

The previous prime is 63569221. The next prime is 63569227. The reversal of 63569225 is 52296536.

It can be written as a sum of positive squares in 6 ways, for example, as 1048576 + 62520649 = 1024^2 + 7907^2 .

It is not a de Polignac number, because 63569225 - 2² = 63569221 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63569221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2501 + ... + 11549.

It is an arithmetic number, because the mean of its divisors is an integer number (6592925).

Almost surely, 2^63569225 is an apocalyptic number.

It is an amenable number.

63569225 is a deficient number, since it is larger than the sum of its proper divisors (15545875).

63569225 is a wasteful number, since it uses less digits than its factorization.

63569225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340 (or 9335 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 63569225 is about 7973.0311049186. The cubic root of 63569225 is about 399.1005309881.

The spelling of 63569225 in words is "sixty-three million, five hundred sixty-nine thousand, two hundred twenty-five".