655424473 has 4 divisors (see below), whose sum is σ = 715008528. Its totient is φ = 595840420.

The previous prime is 655424461. The next prime is 655424519. The reversal of 655424473 is 374424556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655424473 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 (655425473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29792011 + ... + 29792032.

It is an arithmetic number, because the mean of its divisors is an integer number (178752132).

Almost surely, 2^655424473 is an apocalyptic number.

It is an amenable number.

655424473 is a deficient number, since it is larger than the sum of its proper divisors (59584055).

655424473 is a wasteful number, since it uses less digits than its factorization.

655424473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59584054.

The product of its digits is 403200, while the sum is 40.

The square root of 655424473 is about 25601.2592073124. The cubic root of 655424473 is about 868.6421205311.

The spelling of 655424473 in words is "six hundred fifty-five million, four hundred twenty-four thousand, four hundred seventy-three".