655850271 has 16 divisors (see below), whose sum is σ = 907374944. Its totient is φ = 421023744.

The previous prime is 655850269. The next prime is 655850281. The reversal of 655850271 is 172058556.

It is not a de Polignac number, because 655850271 - 2¹ = 655850269 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 (655850231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19690 + ... + 41223.

It is an arithmetic number, because the mean of its divisors is an integer number (56710934).

Almost surely, 2^655850271 is an apocalyptic number.

655850271 is a deficient number, since it is larger than the sum of its proper divisors (251524673).

655850271 is a wasteful number, since it uses less digits than its factorization.

655850271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61050.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 655850271 is about 25609.5738152746. The cubic root of 655850271 is about 868.8301849215.

The spelling of 655850271 in words is "six hundred fifty-five million, eight hundred fifty thousand, two hundred seventy-one".