65353543 has 2 divisors, whose sum is σ = 65353544. Its totient is φ = 65353542.

The previous prime is 65353513. The next prime is 65353553. The reversal of 65353543 is 34535356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65353543 - 2¹⁷ = 65222471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65353499 and 65353508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65353513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32676771 + 32676772.

It is an arithmetic number, because the mean of its divisors is an integer number (32676772).

Almost surely, 2^65353543 is an apocalyptic number.

65353543 is a deficient number, since it is larger than the sum of its proper divisors (1).

65353543 is an equidigital number, since it uses as much as digits as its factorization.

65353543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 34.

The square root of 65353543 is about 8084.1538209017. The cubic root of 65353543 is about 402.8002322536.

Adding to 65353543 its reverse (34535356), we get a palindrome (99888899).

The spelling of 65353543 in words is "sixty-five million, three hundred fifty-three thousand, five hundred forty-three".