505604461 has 8 divisors (see below), whose sum is σ = 512335800. Its totient is φ = 498896640.

The previous prime is 505604447. The next prime is 505604467. The reversal of 505604461 is 164406505.

It can be written as a sum of positive squares in 4 ways, for example, as 2992900 + 502611561 = 1730^2 + 22419^2 .

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 505604461 - 2¹¹ = 505602413 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 (505604467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39721 + ... + 50881.

It is an arithmetic number, because the mean of its divisors is an integer number (64041975).

Almost surely, 2^505604461 is an apocalyptic number.

It is an amenable number.

505604461 is a deficient number, since it is larger than the sum of its proper divisors (6731339).

505604461 is a wasteful number, since it uses less digits than its factorization.

505604461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11759.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 505604461 is about 22485.6501129053. The cubic root of 505604461 is about 796.6550235125.

The spelling of 505604461 in words is "five hundred five million, six hundred four thousand, four hundred sixty-one".