1355200225 has 6 divisors (see below), whose sum is σ = 1680448310. Its totient is φ = 1084160160.

The previous prime is 1355200159. The next prime is 1355200267. The reversal of 1355200225 is 5220025531.

It is a happy number.

1355200225 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 113060689 + 1242139536 = 10633^2 + 35244^2 .

It is not a de Polignac number, because 1355200225 - 2¹⁹ = 1354675937 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: 54208009 = 1355200225 / (1 + 3 + 5 + 5 + 2 + 0 + 0 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1355200225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27103980 + ... + 27104029.

Almost surely, 2^1355200225 is an apocalyptic number.

It is an amenable number.

1355200225 is a deficient number, since it is larger than the sum of its proper divisors (325248085).

1355200225 is an equidigital number, since it uses as much as digits as its factorization.

1355200225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54208019 (or 54208014 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1355200225 is about 36813.0442234814. The cubic root of 1355200225 is about 1106.6267271093.

Adding to 1355200225 its reverse (5220025531), we get a palindrome (6575225756).

The spelling of 1355200225 in words is "one billion, three hundred fifty-five million, two hundred thousand, two hundred twenty-five".