654470473 has 4 divisors (see below), whose sum is σ = 654594948. Its totient is φ = 654346000.

The previous prime is 654470461. The next prime is 654470491. The reversal of 654470473 is 374074456.

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 431475984 + 222994489 = 20772^2 + 14933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654470473 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 not an unprimeable number, because it can be changed into a prime (654479473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53986 + ... + 64987.

It is an arithmetic number, because the mean of its divisors is an integer number (163648737).

Almost surely, 2^654470473 is an apocalyptic number.

It is an amenable number.

654470473 is a deficient number, since it is larger than the sum of its proper divisors (124475).

654470473 is a wasteful number, since it uses less digits than its factorization.

654470473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124474.

The product of its (nonzero) digits is 282240, while the sum is 40.

The square root of 654470473 is about 25582.6205264433. The cubic root of 654470473 is about 868.2204665724.

The spelling of 654470473 in words is "six hundred fifty-four million, four hundred seventy thousand, four hundred seventy-three".