504343405 has 4 divisors (see below), whose sum is σ = 605212092. Its totient is φ = 403474720.

The previous prime is 504343393. The next prime is 504343409.

504343405 is nontrivially palindromic in base 10.

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 392872041 + 111471364 = 19821^2 + 10558^2 .

It is not a de Polignac number, because 504343405 - 2²¹ = 502246253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504343409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50434336 + ... + 50434345.

It is an arithmetic number, because the mean of its divisors is an integer number (151303023).

Almost surely, 2^504343405 is an apocalyptic number.

It is an amenable number.

504343405 is a deficient number, since it is larger than the sum of its proper divisors (100868687).

504343405 is a wasteful number, since it uses less digits than its factorization.

504343405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100868686.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 504343405 is about 22457.5912555198. The cubic root of 504343405 is about 795.9921450072.

The spelling of 504343405 in words is "five hundred four million, three hundred forty-three thousand, four hundred five".