505394465 has 8 divisors (see below), whose sum is σ = 606787008. Its totient is φ = 404106480.

The previous prime is 505394453. The next prime is 505394501. The reversal of 505394465 is 564493505.

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

It is a de Polignac number, because none of the positive numbers 2^k-505394465 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15077 + ... + 35186.

It is an arithmetic number, because the mean of its divisors is an integer number (75848376).

Almost surely, 2^505394465 is an apocalyptic number.

It is an amenable number.

505394465 is a deficient number, since it is larger than the sum of its proper divisors (101392543).

505394465 is a wasteful number, since it uses less digits than its factorization.

505394465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52279.

The product of its (nonzero) digits is 324000, while the sum is 41.

The square root of 505394465 is about 22480.9800720520. The cubic root of 505394465 is about 796.5447149296.

The spelling of 505394465 in words is "five hundred five million, three hundred ninety-four thousand, four hundred sixty-five".