505400413 has 16 divisors (see below), whose sum is σ = 604120320. Its totient is φ = 413398656.

The previous prime is 505400411. The next prime is 505400417. The reversal of 505400413 is 314004505.

It is a cyclic number.

It is not a de Polignac number, because 505400413 - 2¹ = 505400411 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 (505400411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70143 + ... + 77011.

It is an arithmetic number, because the mean of its divisors is an integer number (37757520).

Almost surely, 2^505400413 is an apocalyptic number.

It is an amenable number.

505400413 is a deficient number, since it is larger than the sum of its proper divisors (98719907).

505400413 is a wasteful number, since it uses less digits than its factorization.

505400413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 505400413 is about 22481.1123612690. The cubic root of 505400413 is about 796.5478397688.

Adding to 505400413 its reverse (314004505), we get a palindrome (819404918).

The spelling of 505400413 in words is "five hundred five million, four hundred thousand, four hundred thirteen".