683274505 has 4 divisors (see below), whose sum is σ = 819929412. Its totient is φ = 546619600.

The previous prime is 683274497. The next prime is 683274521. The reversal of 683274505 is 505472386.

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

It can be written as a sum of positive squares in 2 ways, for example, as 435306496 + 247968009 = 20864^2 + 15747^2 .

It is not a de Polignac number, because 683274505 - 2³ = 683274497 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68327446 + ... + 68327455.

It is an arithmetic number, because the mean of its divisors is an integer number (204982353).

Almost surely, 2^683274505 is an apocalyptic number.

It is an amenable number.

683274505 is a deficient number, since it is larger than the sum of its proper divisors (136654907).

683274505 is a wasteful number, since it uses less digits than its factorization.

683274505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136654906.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 683274505 is about 26139.5199841160. The cubic root of 683274505 is about 880.7751885814.

The spelling of 683274505 in words is "six hundred eighty-three million, two hundred seventy-four thousand, five hundred five".