505064351 has 4 divisors (see below), whose sum is σ = 550979304. Its totient is φ = 459149400.

The previous prime is 505064239. The next prime is 505064381. The reversal of 505064351 is 153460505.

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

It is a cyclic number.

It is not a de Polignac number, because 505064351 - 2²² = 500870047 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 (505064381) 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, 22957460 + ... + 22957481.

It is an arithmetic number, because the mean of its divisors is an integer number (137744826).

Almost surely, 2^505064351 is an apocalyptic number.

505064351 is a deficient number, since it is larger than the sum of its proper divisors (45914953).

505064351 is a wasteful number, since it uses less digits than its factorization.

505064351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45914952.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 505064351 is about 22473.6367995925. The cubic root of 505064351 is about 796.3712478971.

The spelling of 505064351 in words is "five hundred five million, sixty-four thousand, three hundred fifty-one".