654148927 has 2 divisors, whose sum is σ = 654148928. Its totient is φ = 654148926.

The previous prime is 654148919. The next prime is 654148997. The reversal of 654148927 is 729841456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654148927 - 2³ = 654148919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654148907) 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 as a sum of consecutive naturals, namely, 327074463 + 327074464.

It is an arithmetic number, because the mean of its divisors is an integer number (327074464).

Almost surely, 2^654148927 is an apocalyptic number.

654148927 is a deficient number, since it is larger than the sum of its proper divisors (1).

654148927 is an equidigital number, since it uses as much as digits as its factorization.

654148927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 654148927 is about 25576.3352926098. The cubic root of 654148927 is about 868.0782556492.

The spelling of 654148927 in words is "six hundred fifty-four million, one hundred forty-eight thousand, nine hundred twenty-seven".