655264291 has 8 divisors (see below), whose sum is σ = 721393200. Its totient is φ = 590228640.

The previous prime is 655264289. The next prime is 655264301. The reversal of 655264291 is 192462556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655264291 - 2¹ = 655264289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655264231) 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 7 ways as a sum of consecutive naturals, for example, 272056 + ... + 274453.

It is an arithmetic number, because the mean of its divisors is an integer number (90174150).

Almost surely, 2^655264291 is an apocalyptic number.

655264291 is a deficient number, since it is larger than the sum of its proper divisors (66128909).

655264291 is a wasteful number, since it uses less digits than its factorization.

655264291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546629.

The product of its digits is 129600, while the sum is 40.

The square root of 655264291 is about 25598.1306153399. The cubic root of 655264291 is about 868.5713510403.

The spelling of 655264291 in words is "six hundred fifty-five million, two hundred sixty-four thousand, two hundred ninety-one".