654000071 has 2 divisors, whose sum is σ = 654000072. Its totient is φ = 654000070.

The previous prime is 654000059. The next prime is 654000079. The reversal of 654000071 is 170000456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654000071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654000079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327000035 + 327000036.

It is an arithmetic number, because the mean of its divisors is an integer number (327000036).

Almost surely, 2^654000071 is an apocalyptic number.

654000071 is a deficient number, since it is larger than the sum of its proper divisors (1).

654000071 is an equidigital number, since it uses as much as digits as its factorization.

654000071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 654000071 is about 25573.4250932487. The cubic root of 654000071 is about 868.0124049669.

The spelling of 654000071 in words is "six hundred fifty-four million, seventy-one", and thus it is an aban number.