3055405 has 4 divisors (see below), whose sum is σ = 3666492. Its totient is φ = 2444320.

The previous prime is 3055399. The next prime is 3055417. The reversal of 3055405 is 5045503.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5045503 = 59 ⋅85517.

It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 1814409 = 1114^2 + 1347^2 .

It is not a de Polignac number, because 3055405 - 2⁵ = 3055373 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305536 + ... + 305545.

It is an arithmetic number, because the mean of its divisors is an integer number (916623).

Almost surely, 2^3055405 is an apocalyptic number.

It is an amenable number.

3055405 is a deficient number, since it is larger than the sum of its proper divisors (611087).

3055405 is an equidigital number, since it uses as much as digits as its factorization.

3055405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611086.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 3055405 is about 1747.9716816928. The cubic root of 3055405 is about 145.1074114953.

The spelling of 3055405 in words is "three million, fifty-five thousand, four hundred five".