1355425 has 6 divisors (see below), whose sum is σ = 1680758. Its totient is φ = 1084320.

The previous prime is 1355423. The next prime is 1355429. The reversal of 1355425 is 5245531.

It can be written as a sum of positive squares in 3 ways, for example, as 529 + 1354896 = 23^2 + 1164^2 .

It is not a de Polignac number, because 1355425 - 2¹ = 1355423 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: 54217 = 1355425 / (1 + 3 + 5 + 5 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1355425.

It is not an unprimeable number, because it can be changed into a prime (1355423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27084 + ... + 27133.

2^1355425 is an apocalyptic number.

It is an amenable number.

1355425 is a deficient number, since it is larger than the sum of its proper divisors (325333).

1355425 is an equidigital number, since it uses as much as digits as its factorization.

1355425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54227 (or 54222 counting only the distinct ones).

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

The square root of 1355425 is about 1164.2272115013. The cubic root of 1355425 is about 110.6687905836.

The spelling of 1355425 in words is "one million, three hundred fifty-five thousand, four hundred twenty-five".