505064411 has 4 divisors (see below), whose sum is σ = 506985072. Its totient is φ = 503143752.

The previous prime is 505064381. The next prime is 505064419. The reversal of 505064411 is 114460505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505064411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505064419) 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, 959936 + ... + 960461.

It is an arithmetic number, because the mean of its divisors is an integer number (126746268).

Almost surely, 2^505064411 is an apocalyptic number.

505064411 is a deficient number, since it is larger than the sum of its proper divisors (1920661).

505064411 is a wasteful number, since it uses less digits than its factorization.

505064411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920660.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 505064411 is about 22473.6381344899. The cubic root of 505064411 is about 796.3712794325.

The spelling of 505064411 in words is "five hundred five million, sixty-four thousand, four hundred eleven".