654371 has 2 divisors, whose sum is σ = 654372. Its totient is φ = 654370.

The previous prime is 654349. The next prime is 654397. The reversal of 654371 is 173456.

It is an a-pointer prime, because the next prime (654397) can be obtained adding 654371 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654371 - 2⁶ = 654307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 654371.

It is not a weakly prime, because it can be changed into another prime (654301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327185 + 327186.

It is an arithmetic number, because the mean of its divisors is an integer number (327186).

2⁶⁵⁴³⁷¹ is an apocalyptic number.

654371 is a deficient number, since it is larger than the sum of its proper divisors (1).

654371 is an equidigital number, since it uses as much as digits as its factorization.

654371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 654371 is about 808.9320119763. The cubic root of 654371 is about 86.8176477386.

The spelling of 654371 in words is "six hundred fifty-four thousand, three hundred seventy-one".