65457863 has 2 divisors, whose sum is σ = 65457864. Its totient is φ = 65457862.

The previous prime is 65457829. The next prime is 65457937. The reversal of 65457863 is 36875456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65457863 - 2¹⁴ = 65441479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65457823) 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, 32728931 + 32728932.

It is an arithmetic number, because the mean of its divisors is an integer number (32728932).

Almost surely, 2^65457863 is an apocalyptic number.

65457863 is a deficient number, since it is larger than the sum of its proper divisors (1).

65457863 is an equidigital number, since it uses as much as digits as its factorization.

65457863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The square root of 65457863 is about 8090.6033767575. The cubic root of 65457863 is about 403.0144403900.

The spelling of 65457863 in words is "sixty-five million, four hundred fifty-seven thousand, eight hundred sixty-three".