654466271 has 2 divisors, whose sum is σ = 654466272. Its totient is φ = 654466270.

The previous prime is 654466247. The next prime is 654466277. The reversal of 654466271 is 172664456.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654466271 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654466277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327233135 + 327233136.

It is an arithmetic number, because the mean of its divisors is an integer number (327233136).

Almost surely, 2^654466271 is an apocalyptic number.

654466271 is a deficient number, since it is larger than the sum of its proper divisors (1).

654466271 is an equidigital number, since it uses as much as digits as its factorization.

654466271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 654466271 is about 25582.5384002448. The cubic root of 654466271 is about 868.2186084442.

It can be divided in two parts, 65446 and 6271, that added together give a palindrome (71717).

The spelling of 654466271 in words is "six hundred fifty-four million, four hundred sixty-six thousand, two hundred seventy-one".