3555425 has 6 divisors (see below), whose sum is σ = 4408758. Its totient is φ = 2844320.

The previous prime is 3555403. The next prime is 3555427. The reversal of 3555425 is 5245553.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1024144 + 2531281 = 1012^2 + 1591^2 .

It is not a de Polignac number, because 3555425 - 2⁶ = 3555361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3555427) 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, 71084 + ... + 71133.

It is an arithmetic number, because the mean of its divisors is an integer number (734793).

Almost surely, 2^3555425 is an apocalyptic number.

It is an amenable number.

3555425 is a deficient number, since it is larger than the sum of its proper divisors (853333).

3555425 is a wasteful number, since it uses less digits than its factorization.

3555425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142227 (or 142222 counting only the distinct ones).

The product of its digits is 15000, while the sum is 29.

The square root of 3555425 is about 1885.5834640768. The cubic root of 3555425 is about 152.6266975409.

The spelling of 3555425 in words is "three million, five hundred fifty-five thousand, four hundred twenty-five".