505034413 has 4 divisors (see below), whose sum is σ = 543883228. Its totient is φ = 466185600.

The previous prime is 505034401. The next prime is 505034443. The reversal of 505034413 is 314430505.

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 66634569 + 438399844 = 8163^2 + 20938^2 .

It is a cyclic number.

It is not a de Polignac number, because 505034413 - 2¹⁷ = 504903341 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 (505034443) 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, 19424388 + ... + 19424413.

It is an arithmetic number, because the mean of its divisors is an integer number (135970807).

Almost surely, 2^505034413 is an apocalyptic number.

It is an amenable number.

505034413 is a deficient number, since it is larger than the sum of its proper divisors (38848815).

505034413 is a wasteful number, since it uses less digits than its factorization.

505034413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38848814.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 505034413 is about 22472.9707204010. The cubic root of 505034413 is about 796.3555124544.

Adding to 505034413 its reverse (314430505), we get a palindrome (819464918).

The spelling of 505034413 in words is "five hundred five million, thirty-four thousand, four hundred thirteen".