65489023 has 2 divisors, whose sum is σ = 65489024. Its totient is φ = 65489022.

The previous prime is 65489003. The next prime is 65489033. The reversal of 65489023 is 32098456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65489023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65489003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32744511 + 32744512.

It is an arithmetic number, because the mean of its divisors is an integer number (32744512).

Almost surely, 2^65489023 is an apocalyptic number.

65489023 is a deficient number, since it is larger than the sum of its proper divisors (1).

65489023 is an equidigital number, since it uses as much as digits as its factorization.

65489023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 65489023 is about 8092.5288383793. The cubic root of 65489023 is about 403.0783794253.

The spelling of 65489023 in words is "sixty-five million, four hundred eighty-nine thousand, twenty-three".