405104873 has 2 divisors, whose sum is σ = 405104874. Its totient is φ = 405104872.

The previous prime is 405104867. The next prime is 405104879. The reversal of 405104873 is 378401504.

It is a balanced prime because it is at equal distance from previous prime (405104867) and next prime (405104879).

It can be written as a sum of positive squares in only one way, i.e., 404935129 + 169744 = 20123^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 405104873 - 2⁸ = 405104617 is a prime.

It is a super-2 number, since 2×405104873² = 328219916256692258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (405104879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202552436 + 202552437.

It is an arithmetic number, because the mean of its divisors is an integer number (202552437).

Almost surely, 2^405104873 is an apocalyptic number.

It is an amenable number.

405104873 is a deficient number, since it is larger than the sum of its proper divisors (1).

405104873 is an equidigital number, since it uses as much as digits as its factorization.

405104873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 405104873 is about 20127.2172194767. The cubic root of 405104873 is about 739.9274782837.

The spelling of 405104873 in words is "four hundred five million, one hundred four thousand, eight hundred seventy-three".