2835569727225 has 27 divisors (see below), whose sum is σ = 5078865686349. Its totient is φ = 1512290383200.

The previous prime is 2835569727197. The next prime is 2835569727227. The reversal of 2835569727225 is 5227279655382.

It is a happy number.

The square root of 2835569727225 is 1683915.

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

2835569727225 is a `hidden beast` number, since 2 + 8 + 3 + 556 + 9 + 7 + 2 + 72 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 924407254521 + 1911162472704 = 961461^2 + 1382448^2 .

It is not a de Polignac number, because 2835569727225 - 2¹³ = 2835569719033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2835569727227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25202595 + ... + 25314855.

Almost surely, 2^{2835569727225} is an apocalyptic number.

2835569727225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2835569727225 is the 1683915-th square number.

2835569727225 is the 841958-th centered octagonal number.

It is an amenable number.

2835569727225 is a deficient number, since it is larger than the sum of its proper divisors (2243295959124).

2835569727225 is an frugal number, since it uses more digits than its factorization.

2835569727225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224538 (or 112269 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 63.

The spelling of 2835569727225 in words is "two trillion, eight hundred thirty-five billion, five hundred sixty-nine million, seven hundred twenty-seven thousand, two hundred twenty-five".