653143 has 2 divisors, whose sum is σ = 653144. Its totient is φ = 653142.

The previous prime is 653117. The next prime is 653153. The reversal of 653143 is 341356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 653143 - 2⁵ = 653111 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326571 + 326572.

It is an arithmetic number, because the mean of its divisors is an integer number (326572).

2⁶⁵³¹⁴³ is an apocalyptic number.

653143 is a deficient number, since it is larger than the sum of its proper divisors (1).

653143 is an equidigital number, since it uses as much as digits as its factorization.

653143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 653143 is about 808.1726300736. The cubic root of 653143 is about 86.7633060727.

Adding to 653143 its reverse (341356), we get a palindrome (994499).

The spelling of 653143 in words is "six hundred fifty-three thousand, one hundred forty-three".