653569225 has 9 divisors (see below), whose sum is σ = 810584373. Its totient is φ = 522753120.

The previous prime is 653569211. The next prime is 653569229. The reversal of 653569225 is 522965356.

The square root of 653569225 is 25565.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 354832569 + 298736656 = 18837^2 + 17284^2 .

It is not a de Polignac number, because 653569225 - 2¹⁷ = 653438153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653569229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 125269 + ... + 130381.

Almost surely, 2^653569225 is an apocalyptic number.

653569225 is the 25565-th square number.

653569225 is the 12783-rd centered octagonal number.

It is an amenable number.

653569225 is a deficient number, since it is larger than the sum of its proper divisors (157015148).

653569225 is an frugal number, since it uses more digits than its factorization.

653569225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10236 (or 5118 counting only the distinct ones).

The product of its digits is 486000, while the sum is 43.

The cubic root of 653569225 is about 867.8217516609.

The spelling of 653569225 in words is "six hundred fifty-three million, five hundred sixty-nine thousand, two hundred twenty-five".