655086503 has 16 divisors (see below), whose sum is σ = 703154400. Its totient is φ = 608446080.

The previous prime is 655086491. The next prime is 655086511. The reversal of 655086503 is 305680556.

It is a cyclic number.

It is not a de Polignac number, because 655086503 - 2¹⁶ = 655020967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655086533) 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 15 ways as a sum of consecutive naturals, for example, 450125 + ... + 451577.

It is an arithmetic number, because the mean of its divisors is an integer number (43947150).

Almost surely, 2^655086503 is an apocalyptic number.

655086503 is a deficient number, since it is larger than the sum of its proper divisors (48067897).

655086503 is a wasteful number, since it uses less digits than its factorization.

655086503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 655086503 is about 25594.6577042945. The cubic root of 655086503 is about 868.4927895938.

The spelling of 655086503 in words is "six hundred fifty-five million, eighty-six thousand, five hundred three".