65454223 has 2 divisors, whose sum is σ = 65454224. Its totient is φ = 65454222.

The previous prime is 65454211. The next prime is 65454239. The reversal of 65454223 is 32245456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65454223 - 2⁹ = 65453711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65454293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32727111 + 32727112.

It is an arithmetic number, because the mean of its divisors is an integer number (32727112).

Almost surely, 2^65454223 is an apocalyptic number.

65454223 is a deficient number, since it is larger than the sum of its proper divisors (1).

65454223 is an equidigital number, since it uses as much as digits as its factorization.

65454223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 65454223 is about 8090.3784213101. The cubic root of 65454223 is about 403.0069699365.

Adding to 65454223 its reverse (32245456), we get a palindrome (97699679).

The spelling of 65454223 in words is "sixty-five million, four hundred fifty-four thousand, two hundred twenty-three".