2300405 has 4 divisors (see below), whose sum is σ = 2760492. Its totient is φ = 1840320.

The previous prime is 2300399. The next prime is 2300413. The reversal of 2300405 is 5040032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 677329 + 1623076 = 823^2 + 1274^2 .

It is not a de Polignac number, because 2300405 - 2⁸ = 2300149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2300405.

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, 230036 + ... + 230045.

It is an arithmetic number, because the mean of its divisors is an integer number (690123).

2^2300405 is an apocalyptic number.

It is an amenable number.

2300405 is a deficient number, since it is larger than the sum of its proper divisors (460087).

2300405 is an equidigital number, since it uses as much as digits as its factorization.

2300405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460086.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 2300405 is about 1516.7086074787. The cubic root of 2300405 is about 132.0083595869.

Adding to 2300405 its reverse (5040032), we get a palindrome (7340437).

The spelling of 2300405 in words is "two million, three hundred thousand, four hundred five".