506497405 has 16 divisors (see below), whose sum is σ = 645050304. Its totient is φ = 380473600.

The previous prime is 506497379. The next prime is 506497417. The reversal of 506497405 is 504794605.

It is not a de Polignac number, because 506497405 - 2²³ = 498108797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30930 + ... + 44380.

It is an arithmetic number, because the mean of its divisors is an integer number (40315644).

Almost surely, 2^506497405 is an apocalyptic number.

It is an amenable number.

506497405 is a deficient number, since it is larger than the sum of its proper divisors (138552899).

506497405 is a wasteful number, since it uses less digits than its factorization.

506497405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13916.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 506497405 is about 22505.4972173467. The cubic root of 506497405 is about 797.1237363819.

The spelling of 506497405 in words is "five hundred six million, four hundred ninety-seven thousand, four hundred five".