3454205 has 4 divisors (see below), whose sum is σ = 4145052. Its totient is φ = 2763360.

The previous prime is 3454201. The next prime is 3454223. The reversal of 3454205 is 5024543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5024543 = 211 ⋅23813.

It can be written as a sum of positive squares in 2 ways, for example, as 2553604 + 900601 = 1598^2 + 949^2 .

It is not a de Polignac number, because 3454205 - 2² = 3454201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3454201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345416 + ... + 345425.

It is an arithmetic number, because the mean of its divisors is an integer number (1036263).

Almost surely, 2^3454205 is an apocalyptic number.

It is an amenable number.

3454205 is a deficient number, since it is larger than the sum of its proper divisors (690847).

3454205 is an equidigital number, since it uses as much as digits as its factorization.

3454205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690846.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3454205 is about 1858.5491653438. The cubic root of 3454205 is about 151.1643460112.

Adding to 3454205 its reverse (5024543), we get a palindrome (8478748).

The spelling of 3454205 in words is "three million, four hundred fifty-four thousand, two hundred five".