2405273 has 4 divisors (see below), whose sum is σ = 2590308. Its totient is φ = 2220240.

The previous prime is 2405269. The next prime is 2405297. The reversal of 2405273 is 3725042.

2405273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3725042 = 2 ⋅1862521.

It can be written as a sum of positive squares in 2 ways, for example, as 1607824 + 797449 = 1268^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405273 - 2² = 2405269 is a prime.

It is a super-4 number, since 4×2405273⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a d-powerful number, because it can be written as 2¹⁰ + 4³ + 0 + 5⁴ + 2²⁰ + 7⁷ + 3¹² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2405203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92498 + ... + 92523.

It is an arithmetic number, because the mean of its divisors is an integer number (647577).

2^2405273 is an apocalyptic number.

It is an amenable number.

2405273 is a deficient number, since it is larger than the sum of its proper divisors (185035).

2405273 is a wasteful number, since it uses less digits than its factorization.

2405273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185034.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2405273 is about 1550.8942581620. The cubic root of 2405273 is about 133.9845716253.

The spelling of 2405273 in words is "two million, four hundred five thousand, two hundred seventy-three".