654497271 has 12 divisors (see below), whose sum is σ = 954746520. Its totient is φ = 432010800.

The previous prime is 654497219. The next prime is 654497273. The reversal of 654497271 is 172794456.

It is not a de Polignac number, because 654497271 - 2¹⁴ = 654480887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654497273) 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 11 ways as a sum of consecutive naturals, for example, 359101 + ... + 360918.

It is an arithmetic number, because the mean of its divisors is an integer number (79562210).

Almost surely, 2^654497271 is an apocalyptic number.

654497271 is a deficient number, since it is larger than the sum of its proper divisors (300249249).

654497271 is a wasteful number, since it uses less digits than its factorization.

654497271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720126 (or 720123 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 654497271 is about 25583.1442750886. The cubic root of 654497271 is about 868.2323164854.

The spelling of 654497271 in words is "six hundred fifty-four million, four hundred ninety-seven thousand, two hundred seventy-one".