405410243 has 4 divisors (see below), whose sum is σ = 463326000. Its totient is φ = 347494488.

The previous prime is 405410231. The next prime is 405410273. The reversal of 405410243 is 342014504.

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

It is a cyclic number.

It is not a de Polignac number, because 405410243 - 2⁶ = 405410179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405410273) 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, 28957868 + ... + 28957881.

It is an arithmetic number, because the mean of its divisors is an integer number (115831500).

Almost surely, 2^405410243 is an apocalyptic number.

405410243 is a deficient number, since it is larger than the sum of its proper divisors (57915757).

405410243 is an equidigital number, since it uses as much as digits as its factorization.

405410243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57915756.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 405410243 is about 20134.8017869558. The cubic root of 405410243 is about 740.1133518837.

Adding to 405410243 its reverse (342014504), we get a palindrome (747424747).

The spelling of 405410243 in words is "four hundred five million, four hundred ten thousand, two hundred forty-three".