654743 has 2 divisors, whose sum is σ = 654744. Its totient is φ = 654742.

The previous prime is 654739. The next prime is 654749. The reversal of 654743 is 347456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654743 - 2² = 654739 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 5 + 7⁶ + 4⁴ + 4⁶ + 3¹² .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327371 + 327372.

It is an arithmetic number, because the mean of its divisors is an integer number (327372).

2⁶⁵⁴⁷⁴³ is an apocalyptic number.

654743 is a deficient number, since it is larger than the sum of its proper divisors (1).

654743 is an equidigital number, since it uses as much as digits as its factorization.

654743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 654743 is about 809.1619121041. The cubic root of 654743 is about 86.8340961280.

The spelling of 654743 in words is "six hundred fifty-four thousand, seven hundred forty-three".