653541143 has 2 divisors, whose sum is σ = 653541144. Its totient is φ = 653541142.

The previous prime is 653541121. The next prime is 653541169. The reversal of 653541143 is 341145356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653541143 - 2²⁰ = 652492567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653541103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326770571 + 326770572.

It is an arithmetic number, because the mean of its divisors is an integer number (326770572).

Almost surely, 2^653541143 is an apocalyptic number.

653541143 is a deficient number, since it is larger than the sum of its proper divisors (1).

653541143 is an equidigital number, since it uses as much as digits as its factorization.

653541143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 653541143 is about 25564.4507666408. The cubic root of 653541143 is about 867.8093222102.

Adding to 653541143 its reverse (341145356), we get a palindrome (994686499).

The spelling of 653541143 in words is "six hundred fifty-three million, five hundred forty-one thousand, one hundred forty-three".