404505007 has 2 divisors, whose sum is σ = 404505008. Its totient is φ = 404505006.

The previous prime is 404505001. The next prime is 404505011. The reversal of 404505007 is 700505404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404505007 - 2⁷ = 404504879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404505001) 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, 202252503 + 202252504.

It is an arithmetic number, because the mean of its divisors is an integer number (202252504).

Almost surely, 2^404505007 is an apocalyptic number.

404505007 is a deficient number, since it is larger than the sum of its proper divisors (1).

404505007 is an equidigital number, since it uses as much as digits as its factorization.

404505007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 404505007 is about 20112.3098375100. The cubic root of 404505007 is about 739.5620777584.

The spelling of 404505007 in words is "four hundred four million, five hundred five thousand, seven".