1355225425 has 6 divisors (see below), whose sum is σ = 1680479558. Its totient is φ = 1084180320.

The previous prime is 1355225387. The next prime is 1355225437. The reversal of 1355225425 is 5245225531.

It can be written as a sum of positive squares in 3 ways, for example, as 117874449 + 1237350976 = 10857^2 + 35176^2 .

It is not a de Polignac number, because 1355225425 - 2²³ = 1346836817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27104484 + ... + 27104533.

Almost surely, 2^1355225425 is an apocalyptic number.

It is an amenable number.

1355225425 is a deficient number, since it is larger than the sum of its proper divisors (325254133).

1355225425 is an equidigital number, since it uses as much as digits as its factorization.

1355225425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54209027 (or 54209022 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 1355225425 is about 36813.3864918728. The cubic root of 1355225425 is about 1106.6335863223.

The spelling of 1355225425 in words is "one billion, three hundred fifty-five million, two hundred twenty-five thousand, four hundred twenty-five".