655041803 has 6 divisors (see below), whose sum is σ = 709305804. Its totient is φ = 604653816.

The previous prime is 655041767. The next prime is 655041823. The reversal of 655041803 is 308140556.

It is a happy number.

It is not a de Polignac number, because 655041803 - 2¹⁸ = 654779659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 655041803.

It is not an unprimeable number, because it can be changed into a prime (655041823) 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 5 ways as a sum of consecutive naturals, for example, 1937825 + ... + 1938162.

It is an arithmetic number, because the mean of its divisors is an integer number (118217634).

Almost surely, 2^655041803 is an apocalyptic number.

655041803 is a deficient number, since it is larger than the sum of its proper divisors (54264001).

655041803 is a wasteful number, since it uses less digits than its factorization.

655041803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876013 (or 3876000 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 655041803 is about 25593.7844602943. The cubic root of 655041803 is about 868.4730351998.

The spelling of 655041803 in words is "six hundred fifty-five million, forty-one thousand, eight hundred three".