609143 has 2 divisors, whose sum is σ = 609144. Its totient is φ = 609142.

The previous prime is 609113. The next prime is 609149. The reversal of 609143 is 341906.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 609143 - 2⁶ = 609079 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304571 + 304572.

It is an arithmetic number, because the mean of its divisors is an integer number (304572).

2⁶⁰⁹¹⁴³ is an apocalyptic number.

609143 is a deficient number, since it is larger than the sum of its proper divisors (1).

609143 is an equidigital number, since it uses as much as digits as its factorization.

609143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 609143 is about 780.4761367268. The cubic root of 609143 is about 84.7695255841.

The spelling of 609143 in words is "six hundred nine thousand, one hundred forty-three".