506404103 has 2 divisors, whose sum is σ = 506404104. Its totient is φ = 506404102.

The previous prime is 506404057. The next prime is 506404111. The reversal of 506404103 is 301404605.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 506404103 - 2⁶ = 506404039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506404183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253202051 + 253202052.

It is an arithmetic number, because the mean of its divisors is an integer number (253202052).

Almost surely, 2^506404103 is an apocalyptic number.

506404103 is a deficient number, since it is larger than the sum of its proper divisors (1).

506404103 is an equidigital number, since it uses as much as digits as its factorization.

506404103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 506404103 is about 22503.4242505446. The cubic root of 506404103 is about 797.0747872624.

Adding to 506404103 its reverse (301404605), we get a palindrome (807808708).

The spelling of 506404103 in words is "five hundred six million, four hundred four thousand, one hundred three".