504303413 has 4 divisors (see below), whose sum is σ = 504585228. Its totient is φ = 504021600.

The previous prime is 504303391. The next prime is 504303421. The reversal of 504303413 is 314303405.

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 127283524 + 377019889 = 11282^2 + 19417^2 .

It is a cyclic number.

It is not a de Polignac number, because 504303413 - 2¹² = 504299317 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 (504303473) 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, 138206 + ... + 141807.

It is an arithmetic number, because the mean of its divisors is an integer number (126146307).

Almost surely, 2^504303413 is an apocalyptic number.

It is an amenable number.

504303413 is a deficient number, since it is larger than the sum of its proper divisors (281815).

504303413 is a wasteful number, since it uses less digits than its factorization.

504303413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281814.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 504303413 is about 22456.7008485218. The cubic root of 504303413 is about 795.9711050048.

Adding to 504303413 its reverse (314303405), we get a palindrome (818606818).

The spelling of 504303413 in words is "five hundred four million, three hundred three thousand, four hundred thirteen".