505065461 has 8 divisors (see below), whose sum is σ = 544866264. Its totient is φ = 466385920.

The previous prime is 505065439. The next prime is 505065469. The reversal of 505065461 is 164560505.

It can be written as a sum of positive squares in 4 ways, for example, as 147136900 + 357928561 = 12130^2 + 18919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505065461 - 2⁶ = 505065397 is a prime.

It is a super-2 number, since 2×505065461² = 510182239790285042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505065469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279380 + ... + 281181.

It is an arithmetic number, because the mean of its divisors is an integer number (68108283).

Almost surely, 2^505065461 is an apocalyptic number.

It is an amenable number.

505065461 is a deficient number, since it is larger than the sum of its proper divisors (39800803).

505065461 is a wasteful number, since it uses less digits than its factorization.

505065461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560631.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 505065461 is about 22473.6614951814. The cubic root of 505065461 is about 796.3718313023.

The spelling of 505065461 in words is "five hundred five million, sixty-five thousand, four hundred sixty-one".